| blob | e6d048ad8c4ab4f91966d9911b09b56856988743 |
1 /-- This set of tests is for features that are compatible with all versions of
2 Perl >= 5.10, in non-UTF-8 mode. It should run clean for both the 8-bit and
3 16-bit PCRE libraries. --/
5 /the quick brown fox/
6 the quick brown fox
7 The quick brown FOX
8 What do you know about the quick brown fox?
9 What do you know about THE QUICK BROWN FOX?
11 /The quick brown fox/i
12 the quick brown fox
13 The quick brown FOX
14 What do you know about the quick brown fox?
15 What do you know about THE QUICK BROWN FOX?
17 /abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/
18 abcd\t\n\r\f\a\e9;\$\\?caxyz
20 /a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/
21 abxyzpqrrrabbxyyyypqAzz
22 abxyzpqrrrabbxyyyypqAzz
23 aabxyzpqrrrabbxyyyypqAzz
24 aaabxyzpqrrrabbxyyyypqAzz
25 aaaabxyzpqrrrabbxyyyypqAzz
26 abcxyzpqrrrabbxyyyypqAzz
27 aabcxyzpqrrrabbxyyyypqAzz
28 aaabcxyzpqrrrabbxyyyypAzz
29 aaabcxyzpqrrrabbxyyyypqAzz
30 aaabcxyzpqrrrabbxyyyypqqAzz
31 aaabcxyzpqrrrabbxyyyypqqqAzz
32 aaabcxyzpqrrrabbxyyyypqqqqAzz
33 aaabcxyzpqrrrabbxyyyypqqqqqAzz
34 aaabcxyzpqrrrabbxyyyypqqqqqqAzz
35 aaaabcxyzpqrrrabbxyyyypqAzz
36 abxyzzpqrrrabbxyyyypqAzz
37 aabxyzzzpqrrrabbxyyyypqAzz
38 aaabxyzzzzpqrrrabbxyyyypqAzz
39 aaaabxyzzzzpqrrrabbxyyyypqAzz
40 abcxyzzpqrrrabbxyyyypqAzz
41 aabcxyzzzpqrrrabbxyyyypqAzz
42 aaabcxyzzzzpqrrrabbxyyyypqAzz
43 aaaabcxyzzzzpqrrrabbxyyyypqAzz
44 aaaabcxyzzzzpqrrrabbbxyyyypqAzz
45 aaaabcxyzzzzpqrrrabbbxyyyyypqAzz
46 aaabcxyzpqrrrabbxyyyypABzz
47 aaabcxyzpqrrrabbxyyyypABBzz
48 >>>aaabxyzpqrrrabbxyyyypqAzz
49 >aaaabxyzpqrrrabbxyyyypqAzz
50 >>>>abcxyzpqrrrabbxyyyypqAzz
51 *** Failers
52 abxyzpqrrabbxyyyypqAzz
53 abxyzpqrrrrabbxyyyypqAzz
54 abxyzpqrrrabxyyyypqAzz
55 aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz
56 aaaabcxyzzzzpqrrrabbbxyyypqAzz
57 aaabcxyzpqrrrabbxyyyypqqqqqqqAzz
59 /^(abc){1,2}zz/
60 abczz
61 abcabczz
62 *** Failers
63 zz
64 abcabcabczz
65 >>abczz
67 /^(b+?|a){1,2}?c/
68 bc
69 bbc
70 bbbc
71 bac
72 bbac
73 aac
74 abbbbbbbbbbbc
75 bbbbbbbbbbbac
76 *** Failers
77 aaac
78 abbbbbbbbbbbac
80 /^(b+|a){1,2}c/
81 bc
82 bbc
83 bbbc
84 bac
85 bbac
86 aac
87 abbbbbbbbbbbc
88 bbbbbbbbbbbac
89 *** Failers
90 aaac
91 abbbbbbbbbbbac
93 /^(b+|a){1,2}?bc/
94 bbc
96 /^(b*|ba){1,2}?bc/
97 babc
98 bbabc
99 bababc
100 *** Failers
101 bababbc
102 babababc
104 /^(ba|b*){1,2}?bc/
105 babc
106 bbabc
107 bababc
108 *** Failers
109 bababbc
110 babababc
112 /^\ca\cA\c[\c{\c:/
113 \x01\x01\e;z
115 /^[ab\]cde]/
116 athing
117 bthing
118 ]thing
119 cthing
120 dthing
121 ething
122 *** Failers
123 fthing
124 [thing
125 \\thing
127 /^[]cde]/
128 ]thing
129 cthing
130 dthing
131 ething
132 *** Failers
133 athing
134 fthing
136 /^[^ab\]cde]/
137 fthing
138 [thing
139 \\thing
140 *** Failers
141 athing
142 bthing
143 ]thing
144 cthing
145 dthing
146 ething
148 /^[^]cde]/
149 athing
150 fthing
151 *** Failers
152 ]thing
153 cthing
154 dthing
155 ething
157 /^\�/
158 �
160 /^ÿ/
161 ÿ
163 /^[0-9]+$/
164 0
165 1
166 2
167 3
168 4
169 5
170 6
171 7
172 8
173 9
174 10
175 100
176 *** Failers
177 abc
179 /^.*nter/
180 enter
181 inter
182 uponter
184 /^xxx[0-9]+$/
185 xxx0
186 xxx1234
187 *** Failers
188 xxx
190 /^.+[0-9][0-9][0-9]$/
191 x123
192 xx123
193 123456
194 *** Failers
195 123
196 x1234
198 /^.+?[0-9][0-9][0-9]$/
199 x123
200 xx123
201 123456
202 *** Failers
203 123
204 x1234
206 /^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/
207 abc!pqr=apquxz.ixr.zzz.ac.uk
208 *** Failers
209 !pqr=apquxz.ixr.zzz.ac.uk
210 abc!=apquxz.ixr.zzz.ac.uk
211 abc!pqr=apquxz:ixr.zzz.ac.uk
212 abc!pqr=apquxz.ixr.zzz.ac.ukk
214 /:/
215 Well, we need a colon: somewhere
216 *** Fail if we don't
218 /([\da-f:]+)$/i
219 0abc
220 abc
221 fed
222 E
223 ::
224 5f03:12C0::932e
225 fed def
226 Any old stuff
227 *** Failers
228 0zzz
229 gzzz
230 fed\x20
231 Any old rubbish
233 /^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/
234 .1.2.3
235 A.12.123.0
236 *** Failers
237 .1.2.3333
238 1.2.3
239 1234.2.3
241 /^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/
242 1 IN SOA non-sp1 non-sp2(
243 1 IN SOA non-sp1 non-sp2 (
244 *** Failers
245 1IN SOA non-sp1 non-sp2(
247 /^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/
248 a.
249 Z.
250 2.
251 ab-c.pq-r.
252 sxk.zzz.ac.uk.
253 x-.y-.
254 *** Failers
255 -abc.peq.
257 /^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/
258 *.a
259 *.b0-a
260 *.c3-b.c
261 *.c-a.b-c
262 *** Failers
263 *.0
264 *.a-
265 *.a-b.c-
266 *.c-a.0-c
268 /^(?=ab(de))(abd)(e)/
269 abde
271 /^(?!(ab)de|x)(abd)(f)/
272 abdf
274 /^(?=(ab(cd)))(ab)/
275 abcd
277 /^[\da-f](\.[\da-f])*$/i
278 a.b.c.d
279 A.B.C.D
280 a.b.c.1.2.3.C
282 /^\".*\"\s*(;.*)?$/
283 \"1234\"
284 \"abcd\" ;
285 \"\" ; rhubarb
286 *** Failers
287 \"1234\" : things
289 /^$/
290 \
291 *** Failers
293 / ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x
294 ab c
295 *** Failers
296 abc
297 ab cde
299 /(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/
300 ab c
301 *** Failers
302 abc
303 ab cde
305 /^ a\ b[c ]d $/x
306 a bcd
307 a b d
308 *** Failers
309 abcd
310 ab d
312 /^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/
313 abcdefhijklm
315 /^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/
316 abcdefhijklm
318 /^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/
319 a+ Z0+\x08\n\x1d\x12
321 /^[.^$|()*+?{,}]+/
322 .^\$(*+)|{?,?}
324 /^a*\w/
325 z
326 az
327 aaaz
328 a
329 aa
330 aaaa
331 a+
332 aa+
334 /^a*?\w/
335 z
336 az
337 aaaz
338 a
339 aa
340 aaaa
341 a+
342 aa+
344 /^a+\w/
345 az
346 aaaz
347 aa
348 aaaa
349 aa+
351 /^a+?\w/
352 az
353 aaaz
354 aa
355 aaaa
356 aa+
358 /^\d{8}\w{2,}/
359 1234567890
360 12345678ab
361 12345678__
362 *** Failers
363 1234567
365 /^[aeiou\d]{4,5}$/
366 uoie
367 1234
368 12345
369 aaaaa
370 *** Failers
371 123456
373 /^[aeiou\d]{4,5}?/
374 uoie
375 1234
376 12345
377 aaaaa
378 123456
380 /\A(abc|def)=(\1){2,3}\Z/
381 abc=abcabc
382 def=defdefdef
383 *** Failers
384 abc=defdef
386 /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/
387 abcdefghijkcda2
388 abcdefghijkkkkcda2
390 /(cat(a(ract|tonic)|erpillar)) \1()2(3)/
391 cataract cataract23
392 catatonic catatonic23
393 caterpillar caterpillar23
396 /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/
397 From abcd Mon Sep 01 12:33:02 1997
399 /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/
400 From abcd Mon Sep 01 12:33:02 1997
401 From abcd Mon Sep 1 12:33:02 1997
402 *** Failers
403 From abcd Sep 01 12:33:02 1997
405 /^12.34/s
406 12\n34
407 12\r34
409 /\w+(?=\t)/
410 the quick brown\t fox
412 /foo(?!bar)(.*)/
413 foobar is foolish see?
415 /(?:(?!foo)...|^.{0,2})bar(.*)/
416 foobar crowbar etc
417 barrel
418 2barrel
419 A barrel
421 /^(\D*)(?=\d)(?!123)/
422 abc456
423 *** Failers
424 abc123
426 /^1234(?# test newlines
427 inside)/
428 1234
430 /^1234 #comment in extended re
431 /x
432 1234
434 /#rhubarb
435 abcd/x
436 abcd
438 /^abcd#rhubarb/x
439 abcd
441 /^(a)\1{2,3}(.)/
442 aaab
443 aaaab
444 aaaaab
445 aaaaaab
447 /(?!^)abc/
448 the abc
449 *** Failers
450 abc
452 /(?=^)abc/
453 abc
454 *** Failers
455 the abc
457 /^[ab]{1,3}(ab*|b)/
458 aabbbbb
460 /^[ab]{1,3}?(ab*|b)/
461 aabbbbb
463 /^[ab]{1,3}?(ab*?|b)/
464 aabbbbb
466 /^[ab]{1,3}(ab*?|b)/
467 aabbbbb
469 / (?: [\040\t] | \(
470 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
471 \) )* # optional leading comment
472 (?: (?:
473 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
474 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
475 |
476 " (?: # opening quote...
477 [^\\\x80-\xff\n\015"] # Anything except backslash and quote
478 | # or
479 \\ [^\x80-\xff] # Escaped something (something != CR)
480 )* " # closing quote
481 ) # initial word
482 (?: (?: [\040\t] | \(
483 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
484 \) )* \. (?: [\040\t] | \(
485 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
486 \) )* (?:
487 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
488 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
489 |
490 " (?: # opening quote...
491 [^\\\x80-\xff\n\015"] # Anything except backslash and quote
492 | # or
493 \\ [^\x80-\xff] # Escaped something (something != CR)
494 )* " # closing quote
495 ) )* # further okay, if led by a period
496 (?: [\040\t] | \(
497 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
498 \) )* @ (?: [\040\t] | \(
499 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
500 \) )* (?:
501 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
502 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
503 | \[ # [
504 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
505 \] # ]
506 ) # initial subdomain
507 (?: #
508 (?: [\040\t] | \(
509 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
510 \) )* \. # if led by a period...
511 (?: [\040\t] | \(
512 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
513 \) )* (?:
514 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
515 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
516 | \[ # [
517 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
518 \] # ]
519 ) # ...further okay
520 )*
521 # address
522 | # or
523 (?:
524 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
525 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
526 |
527 " (?: # opening quote...
528 [^\\\x80-\xff\n\015"] # Anything except backslash and quote
529 | # or
530 \\ [^\x80-\xff] # Escaped something (something != CR)
531 )* " # closing quote
532 ) # one word, optionally followed by....
533 (?:
534 [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] | # atom and space parts, or...
535 \(
536 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
537 \) | # comments, or...
539 " (?: # opening quote...
540 [^\\\x80-\xff\n\015"] # Anything except backslash and quote
541 | # or
542 \\ [^\x80-\xff] # Escaped something (something != CR)
543 )* " # closing quote
544 # quoted strings
545 )*
546 < (?: [\040\t] | \(
547 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
548 \) )* # leading <
549 (?: @ (?: [\040\t] | \(
550 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
551 \) )* (?:
552 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
553 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
554 | \[ # [
555 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
556 \] # ]
557 ) # initial subdomain
558 (?: #
559 (?: [\040\t] | \(
560 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
561 \) )* \. # if led by a period...
562 (?: [\040\t] | \(
563 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
564 \) )* (?:
565 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
566 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
567 | \[ # [
568 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
569 \] # ]
570 ) # ...further okay
571 )*
573 (?: (?: [\040\t] | \(
574 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
575 \) )* , (?: [\040\t] | \(
576 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
577 \) )* @ (?: [\040\t] | \(
578 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
579 \) )* (?:
580 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
581 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
582 | \[ # [
583 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
584 \] # ]
585 ) # initial subdomain
586 (?: #
587 (?: [\040\t] | \(
588 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
589 \) )* \. # if led by a period...
590 (?: [\040\t] | \(
591 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
592 \) )* (?:
593 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
594 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
595 | \[ # [
596 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
597 \] # ]
598 ) # ...further okay
599 )*
600 )* # further okay, if led by comma
601 : # closing colon
602 (?: [\040\t] | \(
603 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
604 \) )* )? # optional route
605 (?:
606 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
607 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
608 |
609 " (?: # opening quote...
610 [^\\\x80-\xff\n\015"] # Anything except backslash and quote
611 | # or
612 \\ [^\x80-\xff] # Escaped something (something != CR)
613 )* " # closing quote
614 ) # initial word
615 (?: (?: [\040\t] | \(
616 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
617 \) )* \. (?: [\040\t] | \(
618 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
619 \) )* (?:
620 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
621 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
622 |
623 " (?: # opening quote...
624 [^\\\x80-\xff\n\015"] # Anything except backslash and quote
625 | # or
626 \\ [^\x80-\xff] # Escaped something (something != CR)
627 )* " # closing quote
628 ) )* # further okay, if led by a period
629 (?: [\040\t] | \(
630 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
631 \) )* @ (?: [\040\t] | \(
632 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
633 \) )* (?:
634 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
635 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
636 | \[ # [
637 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
638 \] # ]
639 ) # initial subdomain
640 (?: #
641 (?: [\040\t] | \(
642 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
643 \) )* \. # if led by a period...
644 (?: [\040\t] | \(
645 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
646 \) )* (?:
647 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
648 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
649 | \[ # [
650 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
651 \] # ]
652 ) # ...further okay
653 )*
654 # address spec
655 (?: [\040\t] | \(
656 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
657 \) )* > # trailing >
658 # name and address
659 ) (?: [\040\t] | \(
660 (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )*
661 \) )* # optional trailing comment
662 /x
663 Alan Other <user\@dom.ain>
664 <user\@dom.ain>
665 user\@dom.ain
666 \"A. Other\" <user.1234\@dom.ain> (a comment)
667 A. Other <user.1234\@dom.ain> (a comment)
668 \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
669 A missing angle <user\@some.where
670 *** Failers
671 The quick brown fox
673 /[\040\t]* # Nab whitespace.
674 (?:
675 \( # (
676 [^\\\x80-\xff\n\015()] * # normal*
677 (?: # (
678 (?: \\ [^\x80-\xff] |
679 \( # (
680 [^\\\x80-\xff\n\015()] * # normal*
681 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
682 \) # )
683 ) # special
684 [^\\\x80-\xff\n\015()] * # normal*
685 )* # )*
686 \) # )
687 [\040\t]* )* # If comment found, allow more spaces.
688 # optional leading comment
689 (?:
690 (?:
691 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
692 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
693 # Atom
694 | # or
695 " # "
696 [^\\\x80-\xff\n\015"] * # normal
697 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
698 " # "
699 # Quoted string
700 )
701 [\040\t]* # Nab whitespace.
702 (?:
703 \( # (
704 [^\\\x80-\xff\n\015()] * # normal*
705 (?: # (
706 (?: \\ [^\x80-\xff] |
707 \( # (
708 [^\\\x80-\xff\n\015()] * # normal*
709 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
710 \) # )
711 ) # special
712 [^\\\x80-\xff\n\015()] * # normal*
713 )* # )*
714 \) # )
715 [\040\t]* )* # If comment found, allow more spaces.
716 (?:
717 \.
718 [\040\t]* # Nab whitespace.
719 (?:
720 \( # (
721 [^\\\x80-\xff\n\015()] * # normal*
722 (?: # (
723 (?: \\ [^\x80-\xff] |
724 \( # (
725 [^\\\x80-\xff\n\015()] * # normal*
726 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
727 \) # )
728 ) # special
729 [^\\\x80-\xff\n\015()] * # normal*
730 )* # )*
731 \) # )
732 [\040\t]* )* # If comment found, allow more spaces.
733 (?:
734 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
735 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
736 # Atom
737 | # or
738 " # "
739 [^\\\x80-\xff\n\015"] * # normal
740 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
741 " # "
742 # Quoted string
743 )
744 [\040\t]* # Nab whitespace.
745 (?:
746 \( # (
747 [^\\\x80-\xff\n\015()] * # normal*
748 (?: # (
749 (?: \\ [^\x80-\xff] |
750 \( # (
751 [^\\\x80-\xff\n\015()] * # normal*
752 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
753 \) # )
754 ) # special
755 [^\\\x80-\xff\n\015()] * # normal*
756 )* # )*
757 \) # )
758 [\040\t]* )* # If comment found, allow more spaces.
759 # additional words
760 )*
761 @
762 [\040\t]* # Nab whitespace.
763 (?:
764 \( # (
765 [^\\\x80-\xff\n\015()] * # normal*
766 (?: # (
767 (?: \\ [^\x80-\xff] |
768 \( # (
769 [^\\\x80-\xff\n\015()] * # normal*
770 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
771 \) # )
772 ) # special
773 [^\\\x80-\xff\n\015()] * # normal*
774 )* # )*
775 \) # )
776 [\040\t]* )* # If comment found, allow more spaces.
777 (?:
778 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
779 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
780 |
781 \[ # [
782 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
783 \] # ]
784 )
785 [\040\t]* # Nab whitespace.
786 (?:
787 \( # (
788 [^\\\x80-\xff\n\015()] * # normal*
789 (?: # (
790 (?: \\ [^\x80-\xff] |
791 \( # (
792 [^\\\x80-\xff\n\015()] * # normal*
793 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
794 \) # )
795 ) # special
796 [^\\\x80-\xff\n\015()] * # normal*
797 )* # )*
798 \) # )
799 [\040\t]* )* # If comment found, allow more spaces.
800 # optional trailing comments
801 (?:
802 \.
803 [\040\t]* # Nab whitespace.
804 (?:
805 \( # (
806 [^\\\x80-\xff\n\015()] * # normal*
807 (?: # (
808 (?: \\ [^\x80-\xff] |
809 \( # (
810 [^\\\x80-\xff\n\015()] * # normal*
811 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
812 \) # )
813 ) # special
814 [^\\\x80-\xff\n\015()] * # normal*
815 )* # )*
816 \) # )
817 [\040\t]* )* # If comment found, allow more spaces.
818 (?:
819 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
820 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
821 |
822 \[ # [
823 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
824 \] # ]
825 )
826 [\040\t]* # Nab whitespace.
827 (?:
828 \( # (
829 [^\\\x80-\xff\n\015()] * # normal*
830 (?: # (
831 (?: \\ [^\x80-\xff] |
832 \( # (
833 [^\\\x80-\xff\n\015()] * # normal*
834 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
835 \) # )
836 ) # special
837 [^\\\x80-\xff\n\015()] * # normal*
838 )* # )*
839 \) # )
840 [\040\t]* )* # If comment found, allow more spaces.
841 # optional trailing comments
842 )*
843 # address
844 | # or
845 (?:
846 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
847 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
848 # Atom
849 | # or
850 " # "
851 [^\\\x80-\xff\n\015"] * # normal
852 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
853 " # "
854 # Quoted string
855 )
856 # leading word
857 [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # "normal" atoms and or spaces
858 (?:
859 (?:
860 \( # (
861 [^\\\x80-\xff\n\015()] * # normal*
862 (?: # (
863 (?: \\ [^\x80-\xff] |
864 \( # (
865 [^\\\x80-\xff\n\015()] * # normal*
866 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
867 \) # )
868 ) # special
869 [^\\\x80-\xff\n\015()] * # normal*
870 )* # )*
871 \) # )
872 |
873 " # "
874 [^\\\x80-\xff\n\015"] * # normal
875 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
876 " # "
877 ) # "special" comment or quoted string
878 [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # more "normal"
879 )*
880 <
881 [\040\t]* # Nab whitespace.
882 (?:
883 \( # (
884 [^\\\x80-\xff\n\015()] * # normal*
885 (?: # (
886 (?: \\ [^\x80-\xff] |
887 \( # (
888 [^\\\x80-\xff\n\015()] * # normal*
889 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
890 \) # )
891 ) # special
892 [^\\\x80-\xff\n\015()] * # normal*
893 )* # )*
894 \) # )
895 [\040\t]* )* # If comment found, allow more spaces.
896 # <
897 (?:
898 @
899 [\040\t]* # Nab whitespace.
900 (?:
901 \( # (
902 [^\\\x80-\xff\n\015()] * # normal*
903 (?: # (
904 (?: \\ [^\x80-\xff] |
905 \( # (
906 [^\\\x80-\xff\n\015()] * # normal*
907 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
908 \) # )
909 ) # special
910 [^\\\x80-\xff\n\015()] * # normal*
911 )* # )*
912 \) # )
913 [\040\t]* )* # If comment found, allow more spaces.
914 (?:
915 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
916 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
917 |
918 \[ # [
919 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
920 \] # ]
921 )
922 [\040\t]* # Nab whitespace.
923 (?:
924 \( # (
925 [^\\\x80-\xff\n\015()] * # normal*
926 (?: # (
927 (?: \\ [^\x80-\xff] |
928 \( # (
929 [^\\\x80-\xff\n\015()] * # normal*
930 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
931 \) # )
932 ) # special
933 [^\\\x80-\xff\n\015()] * # normal*
934 )* # )*
935 \) # )
936 [\040\t]* )* # If comment found, allow more spaces.
937 # optional trailing comments
938 (?:
939 \.
940 [\040\t]* # Nab whitespace.
941 (?:
942 \( # (
943 [^\\\x80-\xff\n\015()] * # normal*
944 (?: # (
945 (?: \\ [^\x80-\xff] |
946 \( # (
947 [^\\\x80-\xff\n\015()] * # normal*
948 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
949 \) # )
950 ) # special
951 [^\\\x80-\xff\n\015()] * # normal*
952 )* # )*
953 \) # )
954 [\040\t]* )* # If comment found, allow more spaces.
955 (?:
956 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
957 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
958 |
959 \[ # [
960 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
961 \] # ]
962 )
963 [\040\t]* # Nab whitespace.
964 (?:
965 \( # (
966 [^\\\x80-\xff\n\015()] * # normal*
967 (?: # (
968 (?: \\ [^\x80-\xff] |
969 \( # (
970 [^\\\x80-\xff\n\015()] * # normal*
971 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
972 \) # )
973 ) # special
974 [^\\\x80-\xff\n\015()] * # normal*
975 )* # )*
976 \) # )
977 [\040\t]* )* # If comment found, allow more spaces.
978 # optional trailing comments
979 )*
980 (?: ,
981 [\040\t]* # Nab whitespace.
982 (?:
983 \( # (
984 [^\\\x80-\xff\n\015()] * # normal*
985 (?: # (
986 (?: \\ [^\x80-\xff] |
987 \( # (
988 [^\\\x80-\xff\n\015()] * # normal*
989 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
990 \) # )
991 ) # special
992 [^\\\x80-\xff\n\015()] * # normal*
993 )* # )*
994 \) # )
995 [\040\t]* )* # If comment found, allow more spaces.
996 @
997 [\040\t]* # Nab whitespace.
998 (?:
999 \( # (
1000 [^\\\x80-\xff\n\015()] * # normal*
1001 (?: # (
1002 (?: \\ [^\x80-\xff] |
1003 \( # (
1004 [^\\\x80-\xff\n\015()] * # normal*
1005 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1006 \) # )
1007 ) # special
1008 [^\\\x80-\xff\n\015()] * # normal*
1009 )* # )*
1010 \) # )
1011 [\040\t]* )* # If comment found, allow more spaces.
1012 (?:
1013 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1014 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1015 |
1016 \[ # [
1017 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1018 \] # ]
1019 )
1020 [\040\t]* # Nab whitespace.
1021 (?:
1022 \( # (
1023 [^\\\x80-\xff\n\015()] * # normal*
1024 (?: # (
1025 (?: \\ [^\x80-\xff] |
1026 \( # (
1027 [^\\\x80-\xff\n\015()] * # normal*
1028 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1029 \) # )
1030 ) # special
1031 [^\\\x80-\xff\n\015()] * # normal*
1032 )* # )*
1033 \) # )
1034 [\040\t]* )* # If comment found, allow more spaces.
1035 # optional trailing comments
1036 (?:
1037 \.
1038 [\040\t]* # Nab whitespace.
1039 (?:
1040 \( # (
1041 [^\\\x80-\xff\n\015()] * # normal*
1042 (?: # (
1043 (?: \\ [^\x80-\xff] |
1044 \( # (
1045 [^\\\x80-\xff\n\015()] * # normal*
1046 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1047 \) # )
1048 ) # special
1049 [^\\\x80-\xff\n\015()] * # normal*
1050 )* # )*
1051 \) # )
1052 [\040\t]* )* # If comment found, allow more spaces.
1053 (?:
1054 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1055 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1056 |
1057 \[ # [
1058 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1059 \] # ]
1060 )
1061 [\040\t]* # Nab whitespace.
1062 (?:
1063 \( # (
1064 [^\\\x80-\xff\n\015()] * # normal*
1065 (?: # (
1066 (?: \\ [^\x80-\xff] |
1067 \( # (
1068 [^\\\x80-\xff\n\015()] * # normal*
1069 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1070 \) # )
1071 ) # special
1072 [^\\\x80-\xff\n\015()] * # normal*
1073 )* # )*
1074 \) # )
1075 [\040\t]* )* # If comment found, allow more spaces.
1076 # optional trailing comments
1077 )*
1078 )* # additional domains
1079 :
1080 [\040\t]* # Nab whitespace.
1081 (?:
1082 \( # (
1083 [^\\\x80-\xff\n\015()] * # normal*
1084 (?: # (
1085 (?: \\ [^\x80-\xff] |
1086 \( # (
1087 [^\\\x80-\xff\n\015()] * # normal*
1088 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1089 \) # )
1090 ) # special
1091 [^\\\x80-\xff\n\015()] * # normal*
1092 )* # )*
1093 \) # )
1094 [\040\t]* )* # If comment found, allow more spaces.
1095 # optional trailing comments
1096 )? # optional route
1097 (?:
1098 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1099 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1100 # Atom
1101 | # or
1102 " # "
1103 [^\\\x80-\xff\n\015"] * # normal
1104 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
1105 " # "
1106 # Quoted string
1107 )
1108 [\040\t]* # Nab whitespace.
1109 (?:
1110 \( # (
1111 [^\\\x80-\xff\n\015()] * # normal*
1112 (?: # (
1113 (?: \\ [^\x80-\xff] |
1114 \( # (
1115 [^\\\x80-\xff\n\015()] * # normal*
1116 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1117 \) # )
1118 ) # special
1119 [^\\\x80-\xff\n\015()] * # normal*
1120 )* # )*
1121 \) # )
1122 [\040\t]* )* # If comment found, allow more spaces.
1123 (?:
1124 \.
1125 [\040\t]* # Nab whitespace.
1126 (?:
1127 \( # (
1128 [^\\\x80-\xff\n\015()] * # normal*
1129 (?: # (
1130 (?: \\ [^\x80-\xff] |
1131 \( # (
1132 [^\\\x80-\xff\n\015()] * # normal*
1133 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1134 \) # )
1135 ) # special
1136 [^\\\x80-\xff\n\015()] * # normal*
1137 )* # )*
1138 \) # )
1139 [\040\t]* )* # If comment found, allow more spaces.
1140 (?:
1141 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1142 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1143 # Atom
1144 | # or
1145 " # "
1146 [^\\\x80-\xff\n\015"] * # normal
1147 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )*
1148 " # "
1149 # Quoted string
1150 )
1151 [\040\t]* # Nab whitespace.
1152 (?:
1153 \( # (
1154 [^\\\x80-\xff\n\015()] * # normal*
1155 (?: # (
1156 (?: \\ [^\x80-\xff] |
1157 \( # (
1158 [^\\\x80-\xff\n\015()] * # normal*
1159 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1160 \) # )
1161 ) # special
1162 [^\\\x80-\xff\n\015()] * # normal*
1163 )* # )*
1164 \) # )
1165 [\040\t]* )* # If comment found, allow more spaces.
1166 # additional words
1167 )*
1168 @
1169 [\040\t]* # Nab whitespace.
1170 (?:
1171 \( # (
1172 [^\\\x80-\xff\n\015()] * # normal*
1173 (?: # (
1174 (?: \\ [^\x80-\xff] |
1175 \( # (
1176 [^\\\x80-\xff\n\015()] * # normal*
1177 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1178 \) # )
1179 ) # special
1180 [^\\\x80-\xff\n\015()] * # normal*
1181 )* # )*
1182 \) # )
1183 [\040\t]* )* # If comment found, allow more spaces.
1184 (?:
1185 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1186 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1187 |
1188 \[ # [
1189 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1190 \] # ]
1191 )
1192 [\040\t]* # Nab whitespace.
1193 (?:
1194 \( # (
1195 [^\\\x80-\xff\n\015()] * # normal*
1196 (?: # (
1197 (?: \\ [^\x80-\xff] |
1198 \( # (
1199 [^\\\x80-\xff\n\015()] * # normal*
1200 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1201 \) # )
1202 ) # special
1203 [^\\\x80-\xff\n\015()] * # normal*
1204 )* # )*
1205 \) # )
1206 [\040\t]* )* # If comment found, allow more spaces.
1207 # optional trailing comments
1208 (?:
1209 \.
1210 [\040\t]* # Nab whitespace.
1211 (?:
1212 \( # (
1213 [^\\\x80-\xff\n\015()] * # normal*
1214 (?: # (
1215 (?: \\ [^\x80-\xff] |
1216 \( # (
1217 [^\\\x80-\xff\n\015()] * # normal*
1218 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1219 \) # )
1220 ) # special
1221 [^\\\x80-\xff\n\015()] * # normal*
1222 )* # )*
1223 \) # )
1224 [\040\t]* )* # If comment found, allow more spaces.
1225 (?:
1226 [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters...
1227 (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom
1228 |
1229 \[ # [
1230 (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff
1231 \] # ]
1232 )
1233 [\040\t]* # Nab whitespace.
1234 (?:
1235 \( # (
1236 [^\\\x80-\xff\n\015()] * # normal*
1237 (?: # (
1238 (?: \\ [^\x80-\xff] |
1239 \( # (
1240 [^\\\x80-\xff\n\015()] * # normal*
1241 (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)*
1242 \) # )
1243 ) # special
1244 [^\\\x80-\xff\n\015()] * # normal*
1245 )* # )*
1246 \) # )
1247 [\040\t]* )* # If comment found, allow more spaces.
1248 # optional trailing comments
1249 )*
1250 # address spec
1251 > # >
1252 # name and address
1253 )
1254 /x
1255 Alan Other <user\@dom.ain>
1256 <user\@dom.ain>
1257 user\@dom.ain
1258 \"A. Other\" <user.1234\@dom.ain> (a comment)
1259 A. Other <user.1234\@dom.ain> (a comment)
1260 \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay
1261 A missing angle <user\@some.where
1262 *** Failers
1263 The quick brown fox
1265 /abc\0def\00pqr\000xyz\0000AB/
1266 abc\0def\00pqr\000xyz\0000AB
1267 abc456 abc\0def\00pqr\000xyz\0000ABCDE
1269 /abc\x0def\x00pqr\x000xyz\x0000AB/
1270 abc\x0def\x00pqr\x000xyz\x0000AB
1271 abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE
1273 /^[\000-\037]/
1274 \0A
1275 \01B
1276 \037C
1278 /\0*/
1279 \0\0\0\0
1281 /A\x0{2,3}Z/
1282 The A\x0\x0Z
1283 An A\0\x0\0Z
1284 *** Failers
1285 A\0Z
1286 A\0\x0\0\x0Z
1288 /^(cow|)\1(bell)/
1289 cowcowbell
1290 bell
1291 *** Failers
1292 cowbell
1294 /^\s/
1295 \040abc
1296 \x0cabc
1297 \nabc
1298 \rabc
1299 \tabc
1300 *** Failers
1301 abc
1303 /^a b
1304 \f c/x
1305 abc
1307 /^(a|)\1*b/
1308 ab
1309 aaaab
1310 b
1311 *** Failers
1312 acb
1314 /^(a|)\1+b/
1315 aab
1316 aaaab
1317 b
1318 *** Failers
1319 ab
1321 /^(a|)\1?b/
1322 ab
1323 aab
1324 b
1325 *** Failers
1326 acb
1328 /^(a|)\1{2}b/
1329 aaab
1330 b
1331 *** Failers
1332 ab
1333 aab
1334 aaaab
1336 /^(a|)\1{2,3}b/
1337 aaab
1338 aaaab
1339 b
1340 *** Failers
1341 ab
1342 aab
1343 aaaaab
1345 /ab{1,3}bc/
1346 abbbbc
1347 abbbc
1348 abbc
1349 *** Failers
1350 abc
1351 abbbbbc
1353 /([^.]*)\.([^:]*):[T ]+(.*)/
1354 track1.title:TBlah blah blah
1356 /([^.]*)\.([^:]*):[T ]+(.*)/i
1357 track1.title:TBlah blah blah
1359 /([^.]*)\.([^:]*):[t ]+(.*)/i
1360 track1.title:TBlah blah blah
1362 /^[W-c]+$/
1363 WXY_^abc
1364 *** Failers
1365 wxy
1367 /^[W-c]+$/i
1368 WXY_^abc
1369 wxy_^ABC
1371 /^[\x3f-\x5F]+$/i
1372 WXY_^abc
1373 wxy_^ABC
1375 /^abc$/m
1376 abc
1377 qqq\nabc
1378 abc\nzzz
1379 qqq\nabc\nzzz
1381 /^abc$/
1382 abc
1383 *** Failers
1384 qqq\nabc
1385 abc\nzzz
1386 qqq\nabc\nzzz
1388 /\Aabc\Z/m
1389 abc
1390 abc\n
1391 *** Failers
1392 qqq\nabc
1393 abc\nzzz
1394 qqq\nabc\nzzz
1396 /\A(.)*\Z/s
1397 abc\ndef
1399 /\A(.)*\Z/m
1400 *** Failers
1401 abc\ndef
1403 /(?:b)|(?::+)/
1404 b::c
1405 c::b
1407 /[-az]+/
1408 az-
1409 *** Failers
1410 b
1412 /[az-]+/
1413 za-
1414 *** Failers
1415 b
1417 /[a\-z]+/
1418 a-z
1419 *** Failers
1420 b
1422 /[a-z]+/
1423 abcdxyz
1425 /[\d-]+/
1426 12-34
1427 *** Failers
1428 aaa
1430 /[\d-z]+/
1431 12-34z
1432 *** Failers
1433 aaa
1435 /\x5c/
1436 \\
1438 /\x20Z/
1439 the Zoo
1440 *** Failers
1441 Zulu
1443 /(abc)\1/i
1444 abcabc
1445 ABCabc
1446 abcABC
1448 /ab{3cd/
1449 ab{3cd
1451 /ab{3,cd/
1452 ab{3,cd
1454 /ab{3,4a}cd/
1455 ab{3,4a}cd
1457 /{4,5a}bc/
1458 {4,5a}bc
1460 /abc$/
1461 abc
1462 abc\n
1463 *** Failers
1464 abc\ndef
1466 /(abc)\123/
1467 abc\x53
1469 /(abc)\223/
1470 abc\x93
1472 /(abc)\323/
1473 abc\xd3
1475 /(abc)\100/
1476 abc\x40
1477 abc\100
1479 /(abc)\1000/
1480 abc\x400
1481 abc\x40\x30
1482 abc\1000
1483 abc\100\x30
1484 abc\100\060
1485 abc\100\60
1487 /abc\81/
1488 abc\081
1489 abc\0\x38\x31
1491 /abc\91/
1492 abc\091
1493 abc\0\x39\x31
1495 /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\12\123/
1496 abcdefghijkllS
1498 /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/
1499 abcdefghijk\12S
1501 /ab\idef/
1502 abidef
1504 /a{0}bc/
1505 bc
1507 /(a|(bc)){0,0}?xyz/
1508 xyz
1510 /abc[\10]de/
1511 abc\010de
1513 /abc[\1]de/
1514 abc\1de
1516 /(abc)[\1]de/
1517 abc\1de
1519 /(?s)a.b/
1520 a\nb
1522 /^([^a])([^\b])([^c]*)([^d]{3,4})/
1523 baNOTccccd
1524 baNOTcccd
1525 baNOTccd
1526 bacccd
1527 *** Failers
1528 anything
1529 b\bc
1530 baccd
1532 /[^a]/
1533 Abc
1535 /[^a]/i
1536 Abc
1538 /[^a]+/
1539 AAAaAbc
1541 /[^a]+/i
1542 AAAaAbc
1544 /[^a]+/
1545 bbb\nccc
1547 /[^k]$/
1548 abc
1549 *** Failers
1550 abk
1552 /[^k]{2,3}$/
1553 abc
1554 kbc
1555 kabc
1556 *** Failers
1557 abk
1558 akb
1559 akk
1561 /^\d{8,}\@.+[^k]$/
1562 12345678\@a.b.c.d
1563 123456789\@x.y.z
1564 *** Failers
1565 12345678\@x.y.uk
1566 1234567\@a.b.c.d
1568 /(a)\1{8,}/
1569 aaaaaaaaa
1570 aaaaaaaaaa
1571 *** Failers
1572 aaaaaaa
1574 /[^a]/
1575 aaaabcd
1576 aaAabcd
1578 /[^a]/i
1579 aaaabcd
1580 aaAabcd
1582 /[^az]/
1583 aaaabcd
1584 aaAabcd
1586 /[^az]/i
1587 aaaabcd
1588 aaAabcd
1590 /\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/
1591 \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377
1593 /P[^*]TAIRE[^*]{1,6}?LL/
1594 xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
1596 /P[^*]TAIRE[^*]{1,}?LL/
1597 xxxxxxxxxxxPSTAIREISLLxxxxxxxxx
1599 /(\.\d\d[1-9]?)\d+/
1600 1.230003938
1601 1.875000282
1602 1.235
1604 /(\.\d\d((?=0)|\d(?=\d)))/
1605 1.230003938
1606 1.875000282
1607 *** Failers
1608 1.235
1610 /a(?)b/
1611 ab
1613 /\b(foo)\s+(\w+)/i
1614 Food is on the foo table
1616 /foo(.*)bar/
1617 The food is under the bar in the barn.
1619 /foo(.*?)bar/
1620 The food is under the bar in the barn.
1622 /(.*)(\d*)/
1623 I have 2 numbers: 53147
1625 /(.*)(\d+)/
1626 I have 2 numbers: 53147
1628 /(.*?)(\d*)/
1629 I have 2 numbers: 53147
1631 /(.*?)(\d+)/
1632 I have 2 numbers: 53147
1634 /(.*)(\d+)$/
1635 I have 2 numbers: 53147
1637 /(.*?)(\d+)$/
1638 I have 2 numbers: 53147
1640 /(.*)\b(\d+)$/
1641 I have 2 numbers: 53147
1643 /(.*\D)(\d+)$/
1644 I have 2 numbers: 53147
1646 /^\D*(?!123)/
1647 ABC123
1649 /^(\D*)(?=\d)(?!123)/
1650 ABC445
1651 *** Failers
1652 ABC123
1654 /^[W-]46]/
1655 W46]789
1656 -46]789
1657 *** Failers
1658 Wall
1659 Zebra
1660 42
1661 [abcd]
1662 ]abcd[
1664 /^[W-\]46]/
1665 W46]789
1666 Wall
1667 Zebra
1668 Xylophone
1669 42
1670 [abcd]
1671 ]abcd[
1672 \\backslash
1673 *** Failers
1674 -46]789
1675 well
1677 /\d\d\/\d\d\/\d\d\d\d/
1678 01/01/2000
1680 /word (?:[a-zA-Z0-9]+ ){0,10}otherword/
1681 word cat dog elephant mussel cow horse canary baboon snake shark otherword
1682 word cat dog elephant mussel cow horse canary baboon snake shark
1684 /word (?:[a-zA-Z0-9]+ ){0,300}otherword/
1685 word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
1687 /^(a){0,0}/
1688 bcd
1689 abc
1690 aab
1692 /^(a){0,1}/
1693 bcd
1694 abc
1695 aab
1697 /^(a){0,2}/
1698 bcd
1699 abc
1700 aab
1702 /^(a){0,3}/
1703 bcd
1704 abc
1705 aab
1706 aaa
1708 /^(a){0,}/
1709 bcd
1710 abc
1711 aab
1712 aaa
1713 aaaaaaaa
1715 /^(a){1,1}/
1716 bcd
1717 abc
1718 aab
1720 /^(a){1,2}/
1721 bcd
1722 abc
1723 aab
1725 /^(a){1,3}/
1726 bcd
1727 abc
1728 aab
1729 aaa
1731 /^(a){1,}/
1732 bcd
1733 abc
1734 aab
1735 aaa
1736 aaaaaaaa
1738 /.*\.gif/
1739 borfle\nbib.gif\nno
1741 /.{0,}\.gif/
1742 borfle\nbib.gif\nno
1744 /.*\.gif/m
1745 borfle\nbib.gif\nno
1747 /.*\.gif/s
1748 borfle\nbib.gif\nno
1750 /.*\.gif/ms
1751 borfle\nbib.gif\nno
1753 /.*$/
1754 borfle\nbib.gif\nno
1756 /.*$/m
1757 borfle\nbib.gif\nno
1759 /.*$/s
1760 borfle\nbib.gif\nno
1762 /.*$/ms
1763 borfle\nbib.gif\nno
1765 /.*$/
1766 borfle\nbib.gif\nno\n
1768 /.*$/m
1769 borfle\nbib.gif\nno\n
1771 /.*$/s
1772 borfle\nbib.gif\nno\n
1774 /.*$/ms
1775 borfle\nbib.gif\nno\n
1777 /(.*X|^B)/
1778 abcde\n1234Xyz
1779 BarFoo
1780 *** Failers
1781 abcde\nBar
1783 /(.*X|^B)/m
1784 abcde\n1234Xyz
1785 BarFoo
1786 abcde\nBar
1788 /(.*X|^B)/s
1789 abcde\n1234Xyz
1790 BarFoo
1791 *** Failers
1792 abcde\nBar
1794 /(.*X|^B)/ms
1795 abcde\n1234Xyz
1796 BarFoo
1797 abcde\nBar
1799 /(?s)(.*X|^B)/
1800 abcde\n1234Xyz
1801 BarFoo
1802 *** Failers
1803 abcde\nBar
1805 /(?s:.*X|^B)/
1806 abcde\n1234Xyz
1807 BarFoo
1808 *** Failers
1809 abcde\nBar
1811 /^.*B/
1812 **** Failers
1813 abc\nB
1815 /(?s)^.*B/
1816 abc\nB
1818 /(?m)^.*B/
1819 abc\nB
1821 /(?ms)^.*B/
1822 abc\nB
1824 /(?ms)^B/
1825 abc\nB
1827 /(?s)B$/
1828 B\n
1830 /^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/
1831 123456654321
1833 /^\d\d\d\d\d\d\d\d\d\d\d\d/
1834 123456654321
1836 /^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/
1837 123456654321
1839 /^[abc]{12}/
1840 abcabcabcabc
1842 /^[a-c]{12}/
1843 abcabcabcabc
1845 /^(a|b|c){12}/
1846 abcabcabcabc
1848 /^[abcdefghijklmnopqrstuvwxy0123456789]/
1849 n
1850 *** Failers
1851 z
1853 /abcde{0,0}/
1854 abcd
1855 *** Failers
1856 abce
1858 /ab[cd]{0,0}e/
1859 abe
1860 *** Failers
1861 abcde
1863 /ab(c){0,0}d/
1864 abd
1865 *** Failers
1866 abcd
1868 /a(b*)/
1869 a
1870 ab
1871 abbbb
1872 *** Failers
1873 bbbbb
1875 /ab\d{0}e/
1876 abe
1877 *** Failers
1878 ab1e
1880 /"([^\\"]+|\\.)*"/
1881 the \"quick\" brown fox
1882 \"the \\\"quick\\\" brown fox\"
1884 /.*?/g+
1885 abc
1887 /\b/g+
1888 abc
1890 /\b/+g
1891 abc
1893 //g
1894 abc
1896 /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is
1897 <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR>
1899 /a[^a]b/
1900 acb
1901 a\nb
1903 /a.b/
1904 acb
1905 *** Failers
1906 a\nb
1908 /a[^a]b/s
1909 acb
1910 a\nb
1912 /a.b/s
1913 acb
1914 a\nb
1916 /^(b+?|a){1,2}?c/
1917 bac
1918 bbac
1919 bbbac
1920 bbbbac
1921 bbbbbac
1923 /^(b+|a){1,2}?c/
1924 bac
1925 bbac
1926 bbbac
1927 bbbbac
1928 bbbbbac
1930 /(?!\A)x/m
1931 x\nb\n
1932 a\bx\n
1934 /\x0{ab}/
1935 \0{ab}
1937 /(A|B)*?CD/
1938 CD
1940 /(A|B)*CD/
1941 CD
1943 /(AB)*?\1/
1944 ABABAB
1946 /(AB)*\1/
1947 ABABAB
1949 /(?<!bar)foo/
1950 foo
1951 catfood
1952 arfootle
1953 rfoosh
1954 *** Failers
1955 barfoo
1956 towbarfoo
1958 /\w{3}(?<!bar)foo/
1959 catfood
1960 *** Failers
1961 foo
1962 barfoo
1963 towbarfoo
1965 /(?<=(foo)a)bar/
1966 fooabar
1967 *** Failers
1968 bar
1969 foobbar
1971 /\Aabc\z/m
1972 abc
1973 *** Failers
1974 abc\n
1975 qqq\nabc
1976 abc\nzzz
1977 qqq\nabc\nzzz
1979 "(?>.*/)foo"
1980 /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/
1982 "(?>.*/)foo"
1983 /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo
1985 /(?>(\.\d\d[1-9]?))\d+/
1986 1.230003938
1987 1.875000282
1988 *** Failers
1989 1.235
1991 /^((?>\w+)|(?>\s+))*$/
1992 now is the time for all good men to come to the aid of the party
1993 *** Failers
1994 this is not a line with only words and spaces!
1996 /(\d+)(\w)/
1997 12345a
1998 12345+
2000 /((?>\d+))(\w)/
2001 12345a
2002 *** Failers
2003 12345+
2005 /(?>a+)b/
2006 aaab
2008 /((?>a+)b)/
2009 aaab
2011 /(?>(a+))b/
2012 aaab
2014 /(?>b)+/
2015 aaabbbccc
2017 /(?>a+|b+|c+)*c/
2018 aaabbbbccccd
2020 /((?>[^()]+)|\([^()]*\))+/
2021 ((abc(ade)ufh()()x
2023 /\(((?>[^()]+)|\([^()]+\))+\)/
2024 (abc)
2025 (abc(def)xyz)
2026 *** Failers
2027 ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
2029 /a(?-i)b/i
2030 ab
2031 Ab
2032 *** Failers
2033 aB
2034 AB
2036 /(a (?x)b c)d e/
2037 a bcd e
2038 *** Failers
2039 a b cd e
2040 abcd e
2041 a bcde
2043 /(a b(?x)c d (?-x)e f)/
2044 a bcde f
2045 *** Failers
2046 abcdef
2048 /(a(?i)b)c/
2049 abc
2050 aBc
2051 *** Failers
2052 abC
2053 aBC
2054 Abc
2055 ABc
2056 ABC
2057 AbC
2059 /a(?i:b)c/
2060 abc
2061 aBc
2062 *** Failers
2063 ABC
2064 abC
2065 aBC
2067 /a(?i:b)*c/
2068 aBc
2069 aBBc
2070 *** Failers
2071 aBC
2072 aBBC
2074 /a(?=b(?i)c)\w\wd/
2075 abcd
2076 abCd
2077 *** Failers
2078 aBCd
2079 abcD
2081 /(?s-i:more.*than).*million/i
2082 more than million
2083 more than MILLION
2084 more \n than Million
2085 *** Failers
2086 MORE THAN MILLION
2087 more \n than \n million
2089 /(?:(?s-i)more.*than).*million/i
2090 more than million
2091 more than MILLION
2092 more \n than Million
2093 *** Failers
2094 MORE THAN MILLION
2095 more \n than \n million
2097 /(?>a(?i)b+)+c/
2098 abc
2099 aBbc
2100 aBBc
2101 *** Failers
2102 Abc
2103 abAb
2104 abbC
2106 /(?=a(?i)b)\w\wc/
2107 abc
2108 aBc
2109 *** Failers
2110 Ab
2111 abC
2112 aBC
2114 /(?<=a(?i)b)(\w\w)c/
2115 abxxc
2116 aBxxc
2117 *** Failers
2118 Abxxc
2119 ABxxc
2120 abxxC
2122 /(?:(a)|b)(?(1)A|B)/
2123 aA
2124 bB
2125 *** Failers
2126 aB
2127 bA
2129 /^(a)?(?(1)a|b)+$/
2130 aa
2131 b
2132 bb
2133 *** Failers
2134 ab
2136 /^(?(?=abc)\w{3}:|\d\d)$/
2137 abc:
2138 12
2139 *** Failers
2140 123
2141 xyz
2143 /^(?(?!abc)\d\d|\w{3}:)$/
2144 abc:
2145 12
2146 *** Failers
2147 123
2148 xyz
2150 /(?(?<=foo)bar|cat)/
2151 foobar
2152 cat
2153 fcat
2154 focat
2155 *** Failers
2156 foocat
2158 /(?(?<!foo)cat|bar)/
2159 foobar
2160 cat
2161 fcat
2162 focat
2163 *** Failers
2164 foocat
2166 /( \( )? [^()]+ (?(1) \) |) /x
2167 abcd
2168 (abcd)
2169 the quick (abcd) fox
2170 (abcd
2172 /( \( )? [^()]+ (?(1) \) ) /x
2173 abcd
2174 (abcd)
2175 the quick (abcd) fox
2176 (abcd
2178 /^(?(2)a|(1)(2))+$/
2179 12
2180 12a
2181 12aa
2182 *** Failers
2183 1234
2185 /((?i)blah)\s+\1/
2186 blah blah
2187 BLAH BLAH
2188 Blah Blah
2189 blaH blaH
2190 *** Failers
2191 blah BLAH
2192 Blah blah
2193 blaH blah
2195 /((?i)blah)\s+(?i:\1)/
2196 blah blah
2197 BLAH BLAH
2198 Blah Blah
2199 blaH blaH
2200 blah BLAH
2201 Blah blah
2202 blaH blah
2204 /(?>a*)*/
2205 a
2206 aa
2207 aaaa
2209 /(abc|)+/
2210 abc
2211 abcabc
2212 abcabcabc
2213 xyz
2215 /([a]*)*/
2216 a
2217 aaaaa
2219 /([ab]*)*/
2220 a
2221 b
2222 ababab
2223 aaaabcde
2224 bbbb
2226 /([^a]*)*/
2227 b
2228 bbbb
2229 aaa
2231 /([^ab]*)*/
2232 cccc
2233 abab
2235 /([a]*?)*/
2236 a
2237 aaaa
2239 /([ab]*?)*/
2240 a
2241 b
2242 abab
2243 baba
2245 /([^a]*?)*/
2246 b
2247 bbbb
2248 aaa
2250 /([^ab]*?)*/
2251 c
2252 cccc
2253 baba
2255 /(?>a*)*/
2256 a
2257 aaabcde
2259 /((?>a*))*/
2260 aaaaa
2261 aabbaa
2263 /((?>a*?))*/
2264 aaaaa
2265 aabbaa
2267 /(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x
2268 12-sep-98
2269 12-09-98
2270 *** Failers
2271 sep-12-98
2273 /(?<=(foo))bar\1/
2274 foobarfoo
2275 foobarfootling
2276 *** Failers
2277 foobar
2278 barfoo
2280 /(?i:saturday|sunday)/
2281 saturday
2282 sunday
2283 Saturday
2284 Sunday
2285 SATURDAY
2286 SUNDAY
2287 SunDay
2289 /(a(?i)bc|BB)x/
2290 abcx
2291 aBCx
2292 bbx
2293 BBx
2294 *** Failers
2295 abcX
2296 aBCX
2297 bbX
2298 BBX
2300 /^([ab](?i)[cd]|[ef])/
2301 ac
2302 aC
2303 bD
2304 elephant
2305 Europe
2306 frog
2307 France
2308 *** Failers
2309 Africa
2311 /^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/
2312 ab
2313 aBd
2314 xy
2315 xY
2316 zebra
2317 Zambesi
2318 *** Failers
2319 aCD
2320 XY
2322 /(?<=foo\n)^bar/m
2323 foo\nbar
2324 *** Failers
2325 bar
2326 baz\nbar
2328 /(?<=(?<!foo)bar)baz/
2329 barbaz
2330 barbarbaz
2331 koobarbaz
2332 *** Failers
2333 baz
2334 foobarbaz
2336 /The cases of aaaa and aaaaaa are missed out below because Perl does things/
2337 /differently. We know that odd, and maybe incorrect, things happen with/
2338 /recursive references in Perl, as far as 5.11.3 - see some stuff in test #2./
2340 /^(a\1?){4}$/
2341 a
2342 aa
2343 aaa
2344 aaaaa
2345 aaaaaaa
2346 aaaaaaaa
2347 aaaaaaaaa
2348 aaaaaaaaaa
2349 aaaaaaaaaaa
2350 aaaaaaaaaaaa
2351 aaaaaaaaaaaaa
2352 aaaaaaaaaaaaaa
2353 aaaaaaaaaaaaaaa
2354 aaaaaaaaaaaaaaaa
2356 /^(a\1?)(a\1?)(a\2?)(a\3?)$/
2357 a
2358 aa
2359 aaa
2360 aaaa
2361 aaaaa
2362 aaaaaa
2363 aaaaaaa
2364 aaaaaaaa
2365 aaaaaaaaa
2366 aaaaaaaaaa
2367 aaaaaaaaaaa
2368 aaaaaaaaaaaa
2369 aaaaaaaaaaaaa
2370 aaaaaaaaaaaaaa
2371 aaaaaaaaaaaaaaa
2372 aaaaaaaaaaaaaaaa
2374 /The following tests are taken from the Perl 5.005 test suite; some of them/
2375 /are compatible with 5.004, but I'd rather not have to sort them out./
2377 /abc/
2378 abc
2379 xabcy
2380 ababc
2381 *** Failers
2382 xbc
2383 axc
2384 abx
2386 /ab*c/
2387 abc
2389 /ab*bc/
2390 abc
2391 abbc
2392 abbbbc
2394 /.{1}/
2395 abbbbc
2397 /.{3,4}/
2398 abbbbc
2400 /ab{0,}bc/
2401 abbbbc
2403 /ab+bc/
2404 abbc
2405 *** Failers
2406 abc
2407 abq
2409 /ab{1,}bc/
2411 /ab+bc/
2412 abbbbc
2414 /ab{1,}bc/
2415 abbbbc
2417 /ab{1,3}bc/
2418 abbbbc
2420 /ab{3,4}bc/
2421 abbbbc
2423 /ab{4,5}bc/
2424 *** Failers
2425 abq
2426 abbbbc
2428 /ab?bc/
2429 abbc
2430 abc
2432 /ab{0,1}bc/
2433 abc
2435 /ab?bc/
2437 /ab?c/
2438 abc
2440 /ab{0,1}c/
2441 abc
2443 /^abc$/
2444 abc
2445 *** Failers
2446 abbbbc
2447 abcc
2449 /^abc/
2450 abcc
2452 /^abc$/
2454 /abc$/
2455 aabc
2456 *** Failers
2457 aabc
2458 aabcd
2460 /^/
2461 abc
2463 /$/
2464 abc
2466 /a.c/
2467 abc
2468 axc
2470 /a.*c/
2471 axyzc
2473 /a[bc]d/
2474 abd
2475 *** Failers
2476 axyzd
2477 abc
2479 /a[b-d]e/
2480 ace
2482 /a[b-d]/
2483 aac
2485 /a[-b]/
2486 a-
2488 /a[b-]/
2489 a-
2491 /a]/
2492 a]
2494 /a[]]b/
2495 a]b
2497 /a[^bc]d/
2498 aed
2499 *** Failers
2500 abd
2501 abd
2503 /a[^-b]c/
2504 adc
2506 /a[^]b]c/
2507 adc
2508 *** Failers
2509 a-c
2510 a]c
2512 /\ba\b/
2513 a-
2514 -a
2515 -a-
2517 /\by\b/
2518 *** Failers
2519 xy
2520 yz
2521 xyz
2523 /\Ba\B/
2524 *** Failers
2525 a-
2526 -a
2527 -a-
2529 /\By\b/
2530 xy
2532 /\by\B/
2533 yz
2535 /\By\B/
2536 xyz
2538 /\w/
2539 a
2541 /\W/
2542 -
2543 *** Failers
2544 -
2545 a
2547 /a\sb/
2548 a b
2550 /a\Sb/
2551 a-b
2552 *** Failers
2553 a-b
2554 a b
2556 /\d/
2557 1
2559 /\D/
2560 -
2561 *** Failers
2562 -
2563 1
2565 /[\w]/
2566 a
2568 /[\W]/
2569 -
2570 *** Failers
2571 -
2572 a
2574 /a[\s]b/
2575 a b
2577 /a[\S]b/
2578 a-b
2579 *** Failers
2580 a-b
2581 a b
2583 /[\d]/
2584 1
2586 /[\D]/
2587 -
2588 *** Failers
2589 -
2590 1
2592 /ab|cd/
2593 abc
2594 abcd
2596 /()ef/
2597 def
2599 /$b/
2601 /a\(b/
2602 a(b
2604 /a\(*b/
2605 ab
2606 a((b
2608 /a\\b/
2609 a\b
2611 /((a))/
2612 abc
2614 /(a)b(c)/
2615 abc
2617 /a+b+c/
2618 aabbabc
2620 /a{1,}b{1,}c/
2621 aabbabc
2623 /a.+?c/
2624 abcabc
2626 /(a+|b)*/
2627 ab
2629 /(a+|b){0,}/
2630 ab
2632 /(a+|b)+/
2633 ab
2635 /(a+|b){1,}/
2636 ab
2638 /(a+|b)?/
2639 ab
2641 /(a+|b){0,1}/
2642 ab
2644 /[^ab]*/
2645 cde
2647 /abc/
2648 *** Failers
2649 b
2652 /a*/
2655 /([abc])*d/
2656 abbbcd
2658 /([abc])*bcd/
2659 abcd
2661 /a|b|c|d|e/
2662 e
2664 /(a|b|c|d|e)f/
2665 ef
2667 /abcd*efg/
2668 abcdefg
2670 /ab*/
2671 xabyabbbz
2672 xayabbbz
2674 /(ab|cd)e/
2675 abcde
2677 /[abhgefdc]ij/
2678 hij
2680 /^(ab|cd)e/
2682 /(abc|)ef/
2683 abcdef
2685 /(a|b)c*d/
2686 abcd
2688 /(ab|ab*)bc/
2689 abc
2691 /a([bc]*)c*/
2692 abc
2694 /a([bc]*)(c*d)/
2695 abcd
2697 /a([bc]+)(c*d)/
2698 abcd
2700 /a([bc]*)(c+d)/
2701 abcd
2703 /a[bcd]*dcdcde/
2704 adcdcde
2706 /a[bcd]+dcdcde/
2707 *** Failers
2708 abcde
2709 adcdcde
2711 /(ab|a)b*c/
2712 abc
2714 /((a)(b)c)(d)/
2715 abcd
2717 /[a-zA-Z_][a-zA-Z0-9_]*/
2718 alpha
2720 /^a(bc+|b[eh])g|.h$/
2721 abh
2723 /(bc+d$|ef*g.|h?i(j|k))/
2724 effgz
2725 ij
2726 reffgz
2727 *** Failers
2728 effg
2729 bcdd
2731 /((((((((((a))))))))))/
2732 a
2734 /((((((((((a))))))))))\10/
2735 aa
2737 /(((((((((a)))))))))/
2738 a
2740 /multiple words of text/
2741 *** Failers
2742 aa
2743 uh-uh
2745 /multiple words/
2746 multiple words, yeah
2748 /(.*)c(.*)/
2749 abcde
2751 /\((.*), (.*)\)/
2752 (a, b)
2754 /[k]/
2756 /abcd/
2757 abcd
2759 /a(bc)d/
2760 abcd
2762 /a[-]?c/
2763 ac
2765 /(abc)\1/
2766 abcabc
2768 /([a-c]*)\1/
2769 abcabc
2771 /(a)|\1/
2772 a
2773 *** Failers
2774 ab
2775 x
2777 /(([a-c])b*?\2)*/
2778 ababbbcbc
2780 /(([a-c])b*?\2){3}/
2781 ababbbcbc
2783 /((\3|b)\2(a)x)+/
2784 aaaxabaxbaaxbbax
2786 /((\3|b)\2(a)){2,}/
2787 bbaababbabaaaaabbaaaabba
2789 /abc/i
2790 ABC
2791 XABCY
2792 ABABC
2793 *** Failers
2794 aaxabxbaxbbx
2795 XBC
2796 AXC
2797 ABX
2799 /ab*c/i
2800 ABC
2802 /ab*bc/i
2803 ABC
2804 ABBC
2806 /ab*?bc/i
2807 ABBBBC
2809 /ab{0,}?bc/i
2810 ABBBBC
2812 /ab+?bc/i
2813 ABBC
2815 /ab+bc/i
2816 *** Failers
2817 ABC
2818 ABQ
2820 /ab{1,}bc/i
2822 /ab+bc/i
2823 ABBBBC
2825 /ab{1,}?bc/i
2826 ABBBBC
2828 /ab{1,3}?bc/i
2829 ABBBBC
2831 /ab{3,4}?bc/i
2832 ABBBBC
2834 /ab{4,5}?bc/i
2835 *** Failers
2836 ABQ
2837 ABBBBC
2839 /ab??bc/i
2840 ABBC
2841 ABC
2843 /ab{0,1}?bc/i
2844 ABC
2846 /ab??bc/i
2848 /ab??c/i
2849 ABC
2851 /ab{0,1}?c/i
2852 ABC
2854 /^abc$/i
2855 ABC
2856 *** Failers
2857 ABBBBC
2858 ABCC
2860 /^abc/i
2861 ABCC
2863 /^abc$/i
2865 /abc$/i
2866 AABC
2868 /^/i
2869 ABC
2871 /$/i
2872 ABC
2874 /a.c/i
2875 ABC
2876 AXC
2878 /a.*?c/i
2879 AXYZC
2881 /a.*c/i
2882 *** Failers
2883 AABC
2884 AXYZD
2886 /a[bc]d/i
2887 ABD
2889 /a[b-d]e/i
2890 ACE
2891 *** Failers
2892 ABC
2893 ABD
2895 /a[b-d]/i
2896 AAC
2898 /a[-b]/i
2899 A-
2901 /a[b-]/i
2902 A-
2904 /a]/i
2905 A]
2907 /a[]]b/i
2908 A]B
2910 /a[^bc]d/i
2911 AED
2913 /a[^-b]c/i
2914 ADC
2915 *** Failers
2916 ABD
2917 A-C
2919 /a[^]b]c/i
2920 ADC
2922 /ab|cd/i
2923 ABC
2924 ABCD
2926 /()ef/i
2927 DEF
2929 /$b/i
2930 *** Failers
2931 A]C
2932 B
2934 /a\(b/i
2935 A(B
2937 /a\(*b/i
2938 AB
2939 A((B
2941 /a\\b/i
2942 A\B
2944 /((a))/i
2945 ABC
2947 /(a)b(c)/i
2948 ABC
2950 /a+b+c/i
2951 AABBABC
2953 /a{1,}b{1,}c/i
2954 AABBABC
2956 /a.+?c/i
2957 ABCABC
2959 /a.*?c/i
2960 ABCABC
2962 /a.{0,5}?c/i
2963 ABCABC
2965 /(a+|b)*/i
2966 AB
2968 /(a+|b){0,}/i
2969 AB
2971 /(a+|b)+/i
2972 AB
2974 /(a+|b){1,}/i
2975 AB
2977 /(a+|b)?/i
2978 AB
2980 /(a+|b){0,1}/i
2981 AB
2983 /(a+|b){0,1}?/i
2984 AB
2986 /[^ab]*/i
2987 CDE
2989 /abc/i
2991 /a*/i
2994 /([abc])*d/i
2995 ABBBCD
2997 /([abc])*bcd/i
2998 ABCD
3000 /a|b|c|d|e/i
3001 E
3003 /(a|b|c|d|e)f/i
3004 EF
3006 /abcd*efg/i
3007 ABCDEFG
3009 /ab*/i
3010 XABYABBBZ
3011 XAYABBBZ
3013 /(ab|cd)e/i
3014 ABCDE
3016 /[abhgefdc]ij/i
3017 HIJ
3019 /^(ab|cd)e/i
3020 ABCDE
3022 /(abc|)ef/i
3023 ABCDEF
3025 /(a|b)c*d/i
3026 ABCD
3028 /(ab|ab*)bc/i
3029 ABC
3031 /a([bc]*)c*/i
3032 ABC
3034 /a([bc]*)(c*d)/i
3035 ABCD
3037 /a([bc]+)(c*d)/i
3038 ABCD
3040 /a([bc]*)(c+d)/i
3041 ABCD
3043 /a[bcd]*dcdcde/i
3044 ADCDCDE
3046 /a[bcd]+dcdcde/i
3048 /(ab|a)b*c/i
3049 ABC
3051 /((a)(b)c)(d)/i
3052 ABCD
3054 /[a-zA-Z_][a-zA-Z0-9_]*/i
3055 ALPHA
3057 /^a(bc+|b[eh])g|.h$/i
3058 ABH
3060 /(bc+d$|ef*g.|h?i(j|k))/i
3061 EFFGZ
3062 IJ
3063 REFFGZ
3064 *** Failers
3065 ADCDCDE
3066 EFFG
3067 BCDD
3069 /((((((((((a))))))))))/i
3070 A
3072 /((((((((((a))))))))))\10/i
3073 AA
3075 /(((((((((a)))))))))/i
3076 A
3078 /(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i
3079 A
3081 /(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i
3082 C
3084 /multiple words of text/i
3085 *** Failers
3086 AA
3087 UH-UH
3089 /multiple words/i
3090 MULTIPLE WORDS, YEAH
3092 /(.*)c(.*)/i
3093 ABCDE
3095 /\((.*), (.*)\)/i
3096 (A, B)
3098 /[k]/i
3100 /abcd/i
3101 ABCD
3103 /a(bc)d/i
3104 ABCD
3106 /a[-]?c/i
3107 AC
3109 /(abc)\1/i
3110 ABCABC
3112 /([a-c]*)\1/i
3113 ABCABC
3115 /a(?!b)./
3116 abad
3118 /a(?=d)./
3119 abad
3121 /a(?=c|d)./
3122 abad
3124 /a(?:b|c|d)(.)/
3125 ace
3127 /a(?:b|c|d)*(.)/
3128 ace
3130 /a(?:b|c|d)+?(.)/
3131 ace
3132 acdbcdbe
3134 /a(?:b|c|d)+(.)/
3135 acdbcdbe
3137 /a(?:b|c|d){2}(.)/
3138 acdbcdbe
3140 /a(?:b|c|d){4,5}(.)/
3141 acdbcdbe
3143 /a(?:b|c|d){4,5}?(.)/
3144 acdbcdbe
3146 /((foo)|(bar))*/
3147 foobar
3149 /a(?:b|c|d){6,7}(.)/
3150 acdbcdbe
3152 /a(?:b|c|d){6,7}?(.)/
3153 acdbcdbe
3155 /a(?:b|c|d){5,6}(.)/
3156 acdbcdbe
3158 /a(?:b|c|d){5,6}?(.)/
3159 acdbcdbe
3161 /a(?:b|c|d){5,7}(.)/
3162 acdbcdbe
3164 /a(?:b|c|d){5,7}?(.)/
3165 acdbcdbe
3167 /a(?:b|(c|e){1,2}?|d)+?(.)/
3168 ace
3170 /^(.+)?B/
3171 AB
3173 /^([^a-z])|(\^)$/
3174 .
3176 /^[<>]&/
3177 <&OUT
3179 /^(a\1?){4}$/
3180 aaaaaaaaaa
3181 *** Failers
3182 AB
3183 aaaaaaaaa
3184 aaaaaaaaaaa
3186 /^(a(?(1)\1)){4}$/
3187 aaaaaaaaaa
3188 *** Failers
3189 aaaaaaaaa
3190 aaaaaaaaaaa
3192 /(?:(f)(o)(o)|(b)(a)(r))*/
3193 foobar
3195 /(?<=a)b/
3196 ab
3197 *** Failers
3198 cb
3199 b
3201 /(?<!c)b/
3202 ab
3203 b
3204 b
3206 /(?:..)*a/
3207 aba
3209 /(?:..)*?a/
3210 aba
3212 /^(?:b|a(?=(.)))*\1/
3213 abc
3215 /^(){3,5}/
3216 abc
3218 /^(a+)*ax/
3219 aax
3221 /^((a|b)+)*ax/
3222 aax
3224 /^((a|bc)+)*ax/
3225 aax
3227 /(a|x)*ab/
3228 cab
3230 /(a)*ab/
3231 cab
3233 /(?:(?i)a)b/
3234 ab
3236 /((?i)a)b/
3237 ab
3239 /(?:(?i)a)b/
3240 Ab
3242 /((?i)a)b/
3243 Ab
3245 /(?:(?i)a)b/
3246 *** Failers
3247 cb
3248 aB
3250 /((?i)a)b/
3252 /(?i:a)b/
3253 ab
3255 /((?i:a))b/
3256 ab
3258 /(?i:a)b/
3259 Ab
3261 /((?i:a))b/
3262 Ab
3264 /(?i:a)b/
3265 *** Failers
3266 aB
3267 aB
3269 /((?i:a))b/
3271 /(?:(?-i)a)b/i
3272 ab
3274 /((?-i)a)b/i
3275 ab
3277 /(?:(?-i)a)b/i
3278 aB
3280 /((?-i)a)b/i
3281 aB
3283 /(?:(?-i)a)b/i
3284 *** Failers
3285 aB
3286 Ab
3288 /((?-i)a)b/i
3290 /(?:(?-i)a)b/i
3291 aB
3293 /((?-i)a)b/i
3294 aB
3296 /(?:(?-i)a)b/i
3297 *** Failers
3298 Ab
3299 AB
3301 /((?-i)a)b/i
3303 /(?-i:a)b/i
3304 ab
3306 /((?-i:a))b/i
3307 ab
3309 /(?-i:a)b/i
3310 aB
3312 /((?-i:a))b/i
3313 aB
3315 /(?-i:a)b/i
3316 *** Failers
3317 AB
3318 Ab
3320 /((?-i:a))b/i
3322 /(?-i:a)b/i
3323 aB
3325 /((?-i:a))b/i
3326 aB
3328 /(?-i:a)b/i
3329 *** Failers
3330 Ab
3331 AB
3333 /((?-i:a))b/i
3335 /((?-i:a.))b/i
3336 *** Failers
3337 AB
3338 a\nB
3340 /((?s-i:a.))b/i
3341 a\nB
3343 /(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/
3344 cabbbb
3346 /(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/
3347 caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
3349 /(ab)\d\1/i
3350 Ab4ab
3351 ab4Ab
3353 /foo\w*\d{4}baz/
3354 foobar1234baz
3356 /x(~~)*(?:(?:F)?)?/
3357 x~~
3359 /^a(?#xxx){3}c/
3360 aaac
3362 /^a (?#xxx) (?#yyy) {3}c/x
3363 aaac
3365 /(?<![cd])b/
3366 *** Failers
3367 B\nB
3368 dbcb
3370 /(?<![cd])[ab]/
3371 dbaacb
3373 /(?<!(c|d))b/
3375 /(?<!(c|d))[ab]/
3376 dbaacb
3378 /(?<!cd)[ab]/
3379 cdaccb
3381 /^(?:a?b?)*$/
3382 \
3383 a
3384 ab
3385 aaa
3386 *** Failers
3387 dbcb
3388 a--
3389 aa--
3391 /((?s)^a(.))((?m)^b$)/
3392 a\nb\nc\n
3394 /((?m)^b$)/
3395 a\nb\nc\n
3397 /(?m)^b/
3398 a\nb\n
3400 /(?m)^(b)/
3401 a\nb\n
3403 /((?m)^b)/
3404 a\nb\n
3406 /\n((?m)^b)/
3407 a\nb\n
3409 /((?s).)c(?!.)/
3410 a\nb\nc\n
3411 a\nb\nc\n
3413 /((?s)b.)c(?!.)/
3414 a\nb\nc\n
3415 a\nb\nc\n
3417 /^b/
3419 /()^b/
3420 *** Failers
3421 a\nb\nc\n
3422 a\nb\nc\n
3424 /((?m)^b)/
3425 a\nb\nc\n
3427 /(x)?(?(1)a|b)/
3428 *** Failers
3429 a
3430 a
3432 /(x)?(?(1)b|a)/
3433 a
3435 /()?(?(1)b|a)/
3436 a
3438 /()(?(1)b|a)/
3440 /()?(?(1)a|b)/
3441 a
3443 /^(\()?blah(?(1)(\)))$/
3444 (blah)
3445 blah
3446 *** Failers
3447 a
3448 blah)
3449 (blah
3451 /^(\(+)?blah(?(1)(\)))$/
3452 (blah)
3453 blah
3454 *** Failers
3455 blah)
3456 (blah
3458 /(?(?!a)a|b)/
3460 /(?(?!a)b|a)/
3461 a
3463 /(?(?=a)b|a)/
3464 *** Failers
3465 a
3466 a
3468 /(?(?=a)a|b)/
3469 a
3471 /(?=(a+?))(\1ab)/
3472 aaab
3474 /^(?=(a+?))\1ab/
3476 /(\w+:)+/
3477 one:
3479 /$(?<=^(a))/
3480 a
3482 /(?=(a+?))(\1ab)/
3483 aaab
3485 /^(?=(a+?))\1ab/
3486 *** Failers
3487 aaab
3488 aaab
3490 /([\w:]+::)?(\w+)$/
3491 abcd
3492 xy:z:::abcd
3494 /^[^bcd]*(c+)/
3495 aexycd
3497 /(a*)b+/
3498 caab
3500 /([\w:]+::)?(\w+)$/
3501 abcd
3502 xy:z:::abcd
3503 *** Failers
3504 abcd:
3505 abcd:
3507 /^[^bcd]*(c+)/
3508 aexycd
3510 /(>a+)ab/
3512 /(?>a+)b/
3513 aaab
3515 /([[:]+)/
3516 a:[b]:
3518 /([[=]+)/
3519 a=[b]=
3521 /([[.]+)/
3522 a.[b].
3524 /((?>a+)b)/
3525 aaab
3527 /(?>(a+))b/
3528 aaab
3530 /((?>[^()]+)|\([^()]*\))+/
3531 ((abc(ade)ufh()()x
3533 /a\Z/
3534 *** Failers
3535 aaab
3536 a\nb\n
3538 /b\Z/
3539 a\nb\n
3541 /b\z/
3543 /b\Z/
3544 a\nb
3546 /b\z/
3547 a\nb
3548 *** Failers
3550 /^(?>(?(1)\.|())[^\W_](?>[a-z0-9-]*[^\W_])?)+$/
3551 a
3552 abc
3553 a-b
3554 0-9
3555 a.b
3556 5.6.7
3557 the.quick.brown.fox
3558 a100.b200.300c
3559 12-ab.1245
3560 *** Failers
3561 \
3562 .a
3563 -a
3564 a-
3565 a.
3566 a_b
3567 a.-
3568 a..
3569 ab..bc
3570 the.quick.brown.fox-
3571 the.quick.brown.fox.
3572 the.quick.brown.fox_
3573 the.quick.brown.fox+
3575 /(?>.*)(?<=(abcd|wxyz))/
3576 alphabetabcd
3577 endingwxyz
3578 *** Failers
3579 a rather long string that doesn't end with one of them
3581 /word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/
3582 word cat dog elephant mussel cow horse canary baboon snake shark otherword
3583 word cat dog elephant mussel cow horse canary baboon snake shark
3585 /word (?>[a-zA-Z0-9]+ ){0,30}otherword/
3586 word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope
3588 /(?<=\d{3}(?!999))foo/
3589 999foo
3590 123999foo
3591 *** Failers
3592 123abcfoo
3594 /(?<=(?!...999)\d{3})foo/
3595 999foo
3596 123999foo
3597 *** Failers
3598 123abcfoo
3600 /(?<=\d{3}(?!999)...)foo/
3601 123abcfoo
3602 123456foo
3603 *** Failers
3604 123999foo
3606 /(?<=\d{3}...)(?<!999)foo/
3607 123abcfoo
3608 123456foo
3609 *** Failers
3610 123999foo
3612 /<a[\s]+href[\s]*=[\s]* # find <a href=
3613 ([\"\'])? # find single or double quote
3614 (?(1) (.*?)\1 | ([^\s]+)) # if quote found, match up to next matching
3615 # quote, otherwise match up to next space
3616 /isx
3617 <a href=abcd xyz
3618 <a href=\"abcd xyz pqr\" cats
3619 <a href=\'abcd xyz pqr\' cats
3621 /<a\s+href\s*=\s* # find <a href=
3622 (["'])? # find single or double quote
3623 (?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching
3624 # quote, otherwise match up to next space
3625 /isx
3626 <a href=abcd xyz
3627 <a href=\"abcd xyz pqr\" cats
3628 <a href = \'abcd xyz pqr\' cats
3630 /<a\s+href(?>\s*)=(?>\s*) # find <a href=
3631 (["'])? # find single or double quote
3632 (?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching
3633 # quote, otherwise match up to next space
3634 /isx
3635 <a href=abcd xyz
3636 <a href=\"abcd xyz pqr\" cats
3637 <a href = \'abcd xyz pqr\' cats
3639 /((Z)+|A)*/
3640 ZABCDEFG
3642 /(Z()|A)*/
3643 ZABCDEFG
3645 /(Z(())|A)*/
3646 ZABCDEFG
3648 /((?>Z)+|A)*/
3649 ZABCDEFG
3651 /((?>)+|A)*/
3652 ZABCDEFG
3654 /a*/g
3655 abbab
3657 /^[a-\d]/
3658 abcde
3659 -things
3660 0digit
3661 *** Failers
3662 bcdef
3664 /^[\d-a]/
3665 abcde
3666 -things
3667 0digit
3668 *** Failers
3669 bcdef
3671 /[[:space:]]+/
3672 > \x09\x0a\x0c\x0d\x0b<
3674 /[[:blank:]]+/
3675 > \x09\x0a\x0c\x0d\x0b<
3677 /[\s]+/
3678 > \x09\x0a\x0c\x0d\x0b<
3680 /\s+/
3681 > \x09\x0a\x0c\x0d\x0b<
3683 /a\vb/x
3684 ab
3686 /(?!\A)x/m
3687 a\nxb\n
3689 /(?!^)x/m
3690 a\nxb\n
3692 /abc\Qabc\Eabc/
3693 abcabcabc
3695 /abc\Q(*+|\Eabc/
3696 abc(*+|abc
3698 / abc\Q abc\Eabc/x
3699 abc abcabc
3700 *** Failers
3701 abcabcabc
3703 /abc#comment
3704 \Q#not comment
3705 literal\E/x
3706 abc#not comment\n literal
3708 /abc#comment
3709 \Q#not comment
3710 literal/x
3711 abc#not comment\n literal
3713 /abc#comment
3714 \Q#not comment
3715 literal\E #more comment
3716 /x
3717 abc#not comment\n literal
3719 /abc#comment
3720 \Q#not comment
3721 literal\E #more comment/x
3722 abc#not comment\n literal
3724 /\Qabc\$xyz\E/
3725 abc\\\$xyz
3727 /\Qabc\E\$\Qxyz\E/
3728 abc\$xyz
3730 /\Gabc/
3731 abc
3732 *** Failers
3733 xyzabc
3735 /\Gabc./g
3736 abc1abc2xyzabc3
3738 /abc./g
3739 abc1abc2xyzabc3
3741 /a(?x: b c )d/
3742 XabcdY
3743 *** Failers
3744 Xa b c d Y
3746 /((?x)x y z | a b c)/
3747 XabcY
3748 AxyzB
3750 /(?i)AB(?-i)C/
3751 XabCY
3752 *** Failers
3753 XabcY
3755 /((?i)AB(?-i)C|D)E/
3756 abCE
3757 DE
3758 *** Failers
3759 abcE
3760 abCe
3761 dE
3762 De
3764 /(.*)\d+\1/
3765 abc123abc
3766 abc123bc
3768 /(.*)\d+\1/s
3769 abc123abc
3770 abc123bc
3772 /((.*))\d+\1/
3773 abc123abc
3774 abc123bc
3776 /-- This tests for an IPv6 address in the form where it can have up to --/
3777 /-- eight components, one and only one of which is empty. This must be --/
3778 /-- an internal component. --/
3780 /^(?!:) # colon disallowed at start
3781 (?: # start of item
3782 (?: [0-9a-f]{1,4} | # 1-4 hex digits or
3783 (?(1)0 | () ) ) # if null previously matched, fail; else null
3784 : # followed by colon
3785 ){1,7} # end item; 1-7 of them required
3786 [0-9a-f]{1,4} $ # final hex number at end of string
3787 (?(1)|.) # check that there was an empty component
3788 /xi
3789 a123::a123
3790 a123:b342::abcd
3791 a123:b342::324e:abcd
3792 a123:ddde:b342::324e:abcd
3793 a123:ddde:b342::324e:dcba:abcd
3794 a123:ddde:9999:b342::324e:dcba:abcd
3795 *** Failers
3796 1:2:3:4:5:6:7:8
3797 a123:bce:ddde:9999:b342::324e:dcba:abcd
3798 a123::9999:b342::324e:dcba:abcd
3799 abcde:2:3:4:5:6:7:8
3800 ::1
3801 abcd:fee0:123::
3802 :1
3803 1:
3805 /[z\Qa-d]\E]/
3806 z
3807 a
3808 -
3809 d
3810 ]
3811 *** Failers
3812 b
3814 /[\z\C]/
3815 z
3816 C
3818 /\M/
3819 M
3821 /(a+)*b/
3822 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
3824 /(?i)reg(?:ul(?:[aä]|ae)r|ex)/
3825 REGular
3826 regulaer
3827 Regex
3828 regulär
3830 /Åæåä[à-ÿÀ-ß]+/
3831 Åæåäà
3832 Åæåäÿ
3833 ÅæåäÀ
3834 Åæåäß
3836 /(?<=Z)X./
3837 \x84XAZXB
3839 /ab cd (?x) de fg/
3840 ab cd defg
3842 /ab cd(?x) de fg/
3843 ab cddefg
3844 ** Failers
3845 abcddefg
3847 /(?<![^f]oo)(bar)/
3848 foobarX
3849 ** Failers
3850 boobarX
3852 /(?<![^f])X/
3853 offX
3854 ** Failers
3855 onyX
3857 /(?<=[^f])X/
3858 onyX
3859 ** Failers
3860 offX
3862 /^/mg
3863 a\nb\nc\n
3864 \
3866 /(?<=C\n)^/mg
3867 A\nC\nC\n
3869 /(?:(?(1)a|b)(X))+/
3870 bXaX
3872 /(?:(?(1)\1a|b)(X|Y))+/
3873 bXXaYYaY
3874 bXYaXXaX
3876 /()()()()()()()()()(?:(?(10)\10a|b)(X|Y))+/
3877 bXXaYYaY
3879 /[[,abc,]+]/
3880 abc]
3881 a,b]
3882 [a,b,c]
3884 /(?-x: )/x
3885 A\x20B
3887 "(?x)(?-x: \s*#\s*)"
3888 A # B
3889 ** Failers
3890 #
3892 "(?x-is)(?:(?-ixs) \s*#\s*) include"
3893 A #include
3894 ** Failers
3895 A#include
3896 A #Include
3898 /a*b*\w/
3899 aaabbbb
3900 aaaa
3901 a
3903 /a*b?\w/
3904 aaabbbb
3905 aaaa
3906 a
3908 /a*b{0,4}\w/
3909 aaabbbb
3910 aaaa
3911 a
3913 /a*b{0,}\w/
3914 aaabbbb
3915 aaaa
3916 a
3918 /a*\d*\w/
3919 0a
3920 a
3922 /a*b *\w/x
3923 a
3925 /a*b#comment
3926 *\w/x
3927 a
3929 /a* b *\w/x
3930 a
3932 /^\w+=.*(\\\n.*)*/
3933 abc=xyz\\\npqr
3935 /(?=(\w+))\1:/
3936 abcd:
3938 /^(?=(\w+))\1:/
3939 abcd:
3941 /^\Eabc/
3942 abc
3944 /^[\Eabc]/
3945 a
3946 ** Failers
3947 E
3949 /^[a-\Ec]/
3950 b
3951 ** Failers
3952 -
3953 E
3955 /^[a\E\E-\Ec]/
3956 b
3957 ** Failers
3958 -
3959 E
3961 /^[\E\Qa\E-\Qz\E]+/
3962 b
3963 ** Failers
3964 -
3966 /^[a\Q]bc\E]/
3967 a
3968 ]
3969 c
3971 /^[a-\Q\E]/
3972 a
3973 -
3975 /^(a()*)*/
3976 aaaa
3978 /^(?:a(?:(?:))*)*/
3979 aaaa
3981 /^(a()+)+/
3982 aaaa
3984 /^(?:a(?:(?:))+)+/
3985 aaaa
3987 /(a){0,3}(?(1)b|(c|))*D/
3988 abbD
3989 ccccD
3990 D
3992 /(a|)*\d/
3993 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
3994 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
3996 /(?>a|)*\d/
3997 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
3998 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
4000 /(?:a|)*\d/
4001 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
4002 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4
4004 /\Z/g
4005 abc\n
4007 /^(?s)(?>.*)(?<!\n)/
4008 abc
4009 abc\n
4011 /^(?![^\n]*\n\z)/
4012 abc
4013 abc\n
4015 /\z(?<!\n)/
4016 abc
4017 abc\n
4019 /(.*(.)?)*/
4020 abcd
4022 /( (A | (?(1)0|) )* )/x
4023 abcd
4025 /( ( (?(1)0|) )* )/x
4026 abcd
4028 /( (?(1)0|)* )/x
4029 abcd
4031 /[[:abcd:xyz]]/
4032 a]
4033 :]
4035 /[abc[:x\]pqr]/
4036 a
4037 [
4038 :
4039 ]
4040 p
4042 /.*[op][xyz]/
4043 fooabcfoo
4045 /(?(?=.*b)b|^)/
4046 adc
4047 abc
4049 /(?(?=^.*b)b|^)/
4050 adc
4051 abc
4053 /(?(?=.*b)b|^)*/
4054 adc
4055 abc
4057 /(?(?=.*b)b|^)+/
4058 adc
4059 abc
4061 /(?(?=b).*b|^d)/
4062 abc
4064 /(?(?=.*b).*b|^d)/
4065 abc
4067 /^%((?(?=[a])[^%])|b)*%$/
4068 %ab%
4070 /(?i)a(?-i)b|c/
4071 XabX
4072 XAbX
4073 CcC
4074 ** Failers
4075 XABX
4077 /[\x00-\xff\s]+/
4078 \x0a\x0b\x0c\x0d
4080 /^\c\x7f/
4081 ?
4083 /(abc)\1/i
4084 abc
4086 /(abc)\1/
4087 abc
4089 /[^a]*/i
4090 12abc
4091 12ABC
4093 /[^a]*+/i
4094 12abc
4095 12ABC
4097 /[^a]*?X/i
4098 ** Failers
4099 12abc
4100 12ABC
4102 /[^a]+?X/i
4103 ** Failers
4104 12abc
4105 12ABC
4107 /[^a]?X/i
4108 12aXbcX
4109 12AXBCX
4110 BCX
4112 /[^a]??X/i
4113 12aXbcX
4114 12AXBCX
4115 BCX
4117 /[^a]?+X/i
4118 12aXbcX
4119 12AXBCX
4120 BCX
4122 /[^a]{2,3}/i
4123 abcdef
4124 ABCDEF
4126 /[^a]{2,3}?/i
4127 abcdef
4128 ABCDEF
4130 /[^a]{2,3}+/i
4131 abcdef
4132 ABCDEF
4134 /((a|)+)+Z/
4135 Z
4137 /(a)b|(a)c/
4138 ac
4140 /(?>(a))b|(a)c/
4141 ac
4143 /(?=(a))ab|(a)c/
4144 ac
4146 /((?>(a))b|(a)c)/
4147 ac
4149 /((?>(a))b|(a)c)++/
4150 ac
4152 /(?:(?>(a))b|(a)c)++/
4153 ac
4155 /(?=(?>(a))b|(a)c)(..)/
4156 ac
4158 /(?>(?>(a))b|(a)c)/
4159 ac
4161 /(?:(?>([ab])))+a=/+
4162 =ba=
4164 /(?>([ab]))+a=/+
4165 =ba=
4167 /((?>(a+)b)+(aabab))/
4168 aaaabaaabaabab
4170 /(?>a+|ab)+?c/
4171 aabc
4173 /(?>a+|ab)+c/
4174 aabc
4176 /(?:a+|ab)+c/
4177 aabc
4179 /(?(?=(a))a)/
4180 a
4182 /(?(?=(a))a)(b)/
4183 ab
4185 /^(?:a|ab)++c/
4186 aaaabc
4188 /^(?>a|ab)++c/
4189 aaaabc
4191 /^(?:a|ab)+c/
4192 aaaabc
4194 /(?=abc){3}abc/+
4195 abcabcabc
4196 ** Failers
4197 xyz
4199 /(?=abc)+abc/+
4200 abcabcabc
4201 ** Failers
4202 xyz
4204 /(?=abc)++abc/+
4205 abcabcabc
4206 ** Failers
4207 xyz
4209 /(?=abc){0}xyz/
4210 xyz
4212 /(?=abc){1}xyz/
4213 ** Failers
4214 xyz
4216 /(?=(a))?./
4217 ab
4218 bc
4220 /(?=(a))??./
4221 ab
4222 bc
4224 /^(?=(a)){0}b(?1)/
4225 backgammon
4227 /^(?=(?1))?[az]([abc])d/
4228 abd
4229 zcdxx
4231 /^(?!a){0}\w+/
4232 aaaaa
4234 /(?<=(abc))?xyz/
4235 abcxyz
4236 pqrxyz
4238 /^[\g<a>]+/
4239 ggg<<<aaa>>>
4240 ** Failers
4241 \\ga
4243 /^[\ga]+/
4244 gggagagaxyz
4246 /^[:a[:digit:]]+/
4247 aaaa444:::Z
4249 /^[:a[:digit:]:b]+/
4250 aaaa444:::bbbZ
4252 /[:a]xxx[b:]/
4253 :xxx:
4255 /(?<=a{2})b/i
4256 xaabc
4257 ** Failers
4258 xabc
4260 /(?<!a{2})b/i
4261 xabc
4262 ** Failers
4263 xaabc
4265 /(?<=a\h)c/
4266 xa c
4268 /(?<=[^a]{2})b/
4269 axxbc
4270 aAAbc
4271 ** Failers
4272 xaabc
4274 /(?<=[^a]{2})b/i
4275 axxbc
4276 ** Failers
4277 aAAbc
4278 xaabc
4280 /(?<=a\H)c/
4281 abc
4283 /(?<=a\V)c/
4284 abc
4286 /(?<=a\v)c/
4287 a\nc
4289 /(?(?=c)c|d)++Y/
4290 XcccddYX
4292 /(?(?=c)c|d)*+Y/
4293 XcccddYX
4295 /^(a{2,3}){2,}+a/
4296 aaaaaaa
4297 ** Failers
4298 aaaaaa
4299 aaaaaaaaa
4301 /^(a{2,3})++a/
4302 ** Failers
4303 aaaaaa
4305 /^(a{2,3})*+a/
4306 ** Failers
4307 aaaaaa
4309 /ab\Cde/
4310 abXde
4312 /(?<=ab\Cde)X/
4313 abZdeX
4315 /a[\CD]b/
4316 aCb
4317 aDb
4319 /a[\C-X]b/
4320 aJb
4322 /\H\h\V\v/
4323 X X\x0a
4324 X\x09X\x0b
4325 ** Failers
4326 \xa0 X\x0a
4328 /\H*\h+\V?\v{3,4}/
4329 \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a
4330 \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a
4331 \x09\x20\xa0\x0a\x0b\x0c
4332 ** Failers
4333 \x09\x20\xa0\x0a\x0b
4335 /\H{3,4}/
4336 XY ABCDE
4337 XY PQR ST
4339 /.\h{3,4}./
4340 XY AB PQRS
4342 /\h*X\h?\H+Y\H?Z/
4343 >XNNNYZ
4344 > X NYQZ
4345 ** Failers
4346 >XYZ
4347 > X NY Z
4349 /\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/
4350 >XY\x0aZ\x0aA\x0bNN\x0c
4351 >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c
4353 /(foo)\Kbar/
4354 foobar
4356 /(foo)(\Kbar|baz)/
4357 foobar
4358 foobaz
4360 /(foo\Kbar)baz/
4361 foobarbaz
4363 /abc\K|def\K/g+
4364 Xabcdefghi
4366 /ab\Kc|de\Kf/g+
4367 Xabcdefghi
4369 /(?=C)/g+
4370 ABCDECBA
4372 /^abc\K/+
4373 abcdef
4374 ** Failers
4375 defabcxyz
4377 /^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-02}Z/
4378 ababababbbabZXXXX
4380 /(?<A>tom|bon)-\g{A}/
4381 tom-tom
4382 bon-bon
4384 /(^(a|b\g{-1}))/
4385 bacxxx
4387 /(?|(abc)|(xyz))\1/
4388 abcabc
4389 xyzxyz
4390 ** Failers
4391 abcxyz
4392 xyzabc
4394 /(?|(abc)|(xyz))(?1)/
4395 abcabc
4396 xyzabc
4397 ** Failers
4398 xyzxyz
4400 /^X(?5)(a)(?|(b)|(q))(c)(d)(Y)/
4401 XYabcdY
4403 /^X(?7)(a)(?|(b|(r)(s))|(q))(c)(d)(Y)/
4404 XYabcdY
4406 /^X(?7)(a)(?|(b|(?|(r)|(t))(s))|(q))(c)(d)(Y)/
4407 XYabcdY
4409 /(?'abc'\w+):\k<abc>{2}/
4410 a:aaxyz
4411 ab:ababxyz
4412 ** Failers
4413 a:axyz
4414 ab:abxyz
4416 /(?'abc'\w+):\g{abc}{2}/
4417 a:aaxyz
4418 ab:ababxyz
4419 ** Failers
4420 a:axyz
4421 ab:abxyz
4423 /^(?<ab>a)? (?(<ab>)b|c) (?('ab')d|e)/x
4424 abd
4425 ce
4427 /^(a.)\g-1Z/
4428 aXaXZ
4430 /^(a.)\g{-1}Z/
4431 aXaXZ
4433 /^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) /x
4434 abcd
4436 /(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT))
4437 (?(DEFINE)
4438 (?<NAME_PAT>[a-z]+)
4439 (?<ADDRESS_PAT>\d+)
4440 )/x
4441 metcalfe 33
4443 /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/
4444 1.2.3.4
4445 131.111.10.206
4446 10.0.0.0
4447 ** Failers
4448 10.6
4449 455.3.4.5
4451 /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/
4452 1.2.3.4
4453 131.111.10.206
4454 10.0.0.0
4455 ** Failers
4456 10.6
4457 455.3.4.5
4459 /^(\w++|\s++)*$/
4460 now is the time for all good men to come to the aid of the party
4461 *** Failers
4462 this is not a line with only words and spaces!
4464 /(\d++)(\w)/
4465 12345a
4466 *** Failers
4467 12345+
4469 /a++b/
4470 aaab
4472 /(a++b)/
4473 aaab
4475 /(a++)b/
4476 aaab
4478 /([^()]++|\([^()]*\))+/
4479 ((abc(ade)ufh()()x
4481 /\(([^()]++|\([^()]+\))+\)/
4482 (abc)
4483 (abc(def)xyz)
4484 *** Failers
4485 ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
4487 /^([^()]|\((?1)*\))*$/
4488 abc
4489 a(b)c
4490 a(b(c))d
4491 *** Failers)
4492 a(b(c)d
4494 /^>abc>([^()]|\((?1)*\))*<xyz<$/
4495 >abc>123<xyz<
4496 >abc>1(2)3<xyz<
4497 >abc>(1(2)3)<xyz<
4499 /^(?:((.)(?1)\2|)|((.)(?3)\4|.))$/i
4500 1221
4501 Satanoscillatemymetallicsonatas
4502 AmanaplanacanalPanama
4503 AblewasIereIsawElba
4504 *** Failers
4505 Thequickbrownfox
4507 /^(\d+|\((?1)([+*-])(?1)\)|-(?1))$/
4508 12
4509 (((2+2)*-3)-7)
4510 -12
4511 *** Failers
4512 ((2+2)*-3)-7)
4514 /^(x(y|(?1){2})z)/
4515 xyz
4516 xxyzxyzz
4517 *** Failers
4518 xxyzz
4519 xxyzxyzxyzz
4521 /((< (?: (?(R) \d++ | [^<>]*+) | (?2)) * >))/x
4522 <>
4523 <abcd>
4524 <abc <123> hij>
4525 <abc <def> hij>
4526 <abc<>def>
4527 <abc<>
4528 *** Failers
4529 <abc
4531 /^a+(*FAIL)/
4532 aaaaaa
4534 /a+b?c+(*FAIL)/
4535 aaabccc
4537 /a+b?(*PRUNE)c+(*FAIL)/
4538 aaabccc
4540 /a+b?(*COMMIT)c+(*FAIL)/
4541 aaabccc
4543 /a+b?(*SKIP)c+(*FAIL)/
4544 aaabcccaaabccc
4546 /^(?:aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
4547 aaaxxxxxx
4548 aaa++++++
4549 bbbxxxxx
4550 bbb+++++
4551 cccxxxx
4552 ccc++++
4553 dddddddd
4555 /^(aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/
4556 aaaxxxxxx
4557 aaa++++++
4558 bbbxxxxx
4559 bbb+++++
4560 cccxxxx
4561 ccc++++
4562 dddddddd
4564 /a+b?(*THEN)c+(*FAIL)/
4565 aaabccc
4567 /(A (A|B(*ACCEPT)|C) D)(E)/x
4568 AB
4569 ABX
4570 AADE
4571 ACDE
4572 ** Failers
4573 AD
4575 /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i
4576 1221
4577 Satan, oscillate my metallic sonatas!
4578 A man, a plan, a canal: Panama!
4579 Able was I ere I saw Elba.
4580 *** Failers
4581 The quick brown fox
4583 /^((.)(?1)\2|.)$/
4584 a
4585 aba
4586 aabaa
4587 abcdcba
4588 pqaabaaqp
4589 ablewasiereisawelba
4590 rhubarb
4591 the quick brown fox
4593 /(a)(?<=b(?1))/
4594 baz
4595 ** Failers
4596 caz
4598 /(?<=b(?1))(a)/
4599 zbaaz
4600 ** Failers
4601 aaa
4603 /(?<X>a)(?<=b(?&X))/
4604 baz
4606 /^(?|(abc)|(def))\1/
4607 abcabc
4608 defdef
4609 ** Failers
4610 abcdef
4611 defabc
4613 /^(?|(abc)|(def))(?1)/
4614 abcabc
4615 defabc
4616 ** Failers
4617 defdef
4618 abcdef
4620 /(?:a(?<quote> (?<apostrophe>')|(?<realquote>")) |b(?<quote> (?<apostrophe>')|(?<realquote>")) ) (?('quote')[a-z]+|[0-9]+)/xJ
4621 a\"aaaaa
4622 b\"aaaaa
4623 ** Failers
4624 b\"11111
4626 /(?:(?1)|B)(A(*F)|C)/
4627 ABCD
4628 CCD
4629 ** Failers
4630 CAD
4632 /^(?:(?1)|B)(A(*F)|C)/
4633 CCD
4634 BCD
4635 ** Failers
4636 ABCD
4637 CAD
4638 BAD
4640 /(?:(?1)|B)(A(*ACCEPT)XX|C)D/
4641 AAD
4642 ACD
4643 BAD
4644 BCD
4645 BAX
4646 ** Failers
4647 ACX
4648 ABC
4650 /(?(DEFINE)(A))B(?1)C/
4651 BAC
4653 /(?(DEFINE)((A)\2))B(?1)C/
4654 BAAC
4656 /(?<pn> \( ( [^()]++ | (?&pn) )* \) )/x
4657 (ab(cd)ef)
4659 /^(?!a(*SKIP)b)/
4660 ac
4662 /^(?=a(*SKIP)b|ac)/
4663 ** Failers
4664 ac
4666 /^(?=a(*THEN)b|ac)/
4667 ac
4669 /^(?=a(*PRUNE)b)/
4670 ab
4671 ** Failers
4672 ac
4674 /^(?=a(*ACCEPT)b)/
4675 ac
4677 /^(?(?!a(*SKIP)b))/
4678 ac
4680 /(?>a\Kb)/
4681 ab
4683 /((?>a\Kb))/
4684 ab
4686 /(a\Kb)/
4687 ab
4689 /^a\Kcz|ac/
4690 ac
4692 /(?>a\Kbz|ab)/
4693 ab
4695 /^(?&t)(?(DEFINE)(?<t>a\Kb))$/
4696 ab
4698 /^([^()]|\((?1)*\))*$/
4699 a(b)c
4700 a(b(c)d)e
4702 /(?P<L1>(?P<L2>0)(?P>L1)|(?P>L2))/
4703 0
4704 00
4705 0000
4707 /(?P<L1>(?P<L2>0)|(?P>L2)(?P>L1))/
4708 0
4709 00
4710 0000
4712 /--- This one does fail, as expected, in Perl. It needs the complex item at the
4713 end of the pattern. A single letter instead of (B|D) makes it not fail,
4714 which I think is a Perl bug. --- /
4716 /A(*COMMIT)(B|D)/
4717 ACABX
4719 /--- Check the use of names for failure ---/
4721 /^(A(*PRUNE:A)B|C(*PRUNE:B)D)/K
4722 ** Failers
4723 AC
4724 CB
4726 /--- Force no study, otherwise mark is not seen. The studied version is in
4727 test 2 because it isn't Perl-compatible. ---/
4729 /(*MARK:A)(*SKIP:B)(C|X)/KSS
4730 C
4731 D
4733 /^(A(*THEN:A)B|C(*THEN:B)D)/K
4734 ** Failers
4735 CB
4737 /^(?:A(*THEN:A)B|C(*THEN:B)D)/K
4738 CB
4740 /^(?>A(*THEN:A)B|C(*THEN:B)D)/K
4741 CB
4743 /--- This should succeed, as the skip causes bump to offset 1 (the mark). Note
4744 that we have to have something complicated such as (B|Z) at the end because,
4745 for Perl, a simple character somehow causes an unwanted optimization to mess
4746 with the handling of backtracking verbs. ---/
4748 /A(*MARK:A)A+(*SKIP:A)(B|Z) | AC/xK
4749 AAAC
4751 /--- Test skipping over a non-matching mark. ---/
4753 /A(*MARK:A)A+(*MARK:B)(*SKIP:A)(B|Z) | AC/xK
4754 AAAC
4756 /--- Check shorthand for MARK ---/
4758 /A(*:A)A+(*SKIP:A)(B|Z) | AC/xK
4759 AAAC
4761 /--- Don't loop! Force no study, otherwise mark is not seen. ---/
4763 /(*:A)A+(*SKIP:A)(B|Z)/KSS
4764 AAAC
4766 /--- This should succeed, as a non-existent skip name disables the skip ---/
4768 /A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/xK
4769 AAAC
4771 /A(*MARK:A)A+(*SKIP:B)(B|Z) | AC(*:B)/xK
4772 AAAC
4774 /--- COMMIT at the start of a pattern should act like an anchor. Again,
4775 however, we need the complication for Perl. ---/
4777 /(*COMMIT)(A|P)(B|P)(C|P)/
4778 ABCDEFG
4779 ** Failers
4780 DEFGABC
4782 /--- COMMIT inside an atomic group can't stop backtracking over the group. ---/
4784 /(\w+)(?>b(*COMMIT))\w{2}/
4785 abbb
4787 /(\w+)b(*COMMIT)\w{2}/
4788 abbb
4790 /--- Check opening parens in comment when seeking forward reference. ---/
4792 /(?&t)(?#()(?(DEFINE)(?<t>a))/
4793 bac
4795 /--- COMMIT should override THEN ---/
4797 /(?>(*COMMIT)(?>yes|no)(*THEN)(*F))?/
4798 yes
4800 /(?>(*COMMIT)(yes|no)(*THEN)(*F))?/
4801 yes
4803 /b?(*SKIP)c/
4804 bc
4805 abc
4807 /(*SKIP)bc/
4808 a
4810 /(*SKIP)b/
4811 a
4813 /(?P<abn>(?P=abn)xxx|)+/
4814 xxx
4816 /(?i:([^b]))(?1)/
4817 aa
4818 aA
4819 ** Failers
4820 ab
4821 aB
4822 Ba
4823 ba
4825 /^(?&t)*+(?(DEFINE)(?<t>a))\w$/
4826 aaaaaaX
4827 ** Failers
4828 aaaaaa
4830 /^(?&t)*(?(DEFINE)(?<t>a))\w$/
4831 aaaaaaX
4832 aaaaaa
4834 /^(a)*+(\w)/
4835 aaaaX
4836 YZ
4837 ** Failers
4838 aaaa
4840 /^(?:a)*+(\w)/
4841 aaaaX
4842 YZ
4843 ** Failers
4844 aaaa
4846 /^(a)++(\w)/
4847 aaaaX
4848 ** Failers
4849 aaaa
4850 YZ
4852 /^(?:a)++(\w)/
4853 aaaaX
4854 ** Failers
4855 aaaa
4856 YZ
4858 /^(a)?+(\w)/
4859 aaaaX
4860 YZ
4862 /^(?:a)?+(\w)/
4863 aaaaX
4864 YZ
4866 /^(a){2,}+(\w)/
4867 aaaaX
4868 ** Failers
4869 aaa
4870 YZ
4872 /^(?:a){2,}+(\w)/
4873 aaaaX
4874 ** Failers
4875 aaa
4876 YZ
4878 /(a|)*(?1)b/
4879 b
4880 ab
4881 aab
4883 /(a)++(?1)b/
4884 ** Failers
4885 ab
4886 aab
4888 /(a)*+(?1)b/
4889 ** Failers
4890 ab
4891 aab
4893 /(?1)(?:(b)){0}/
4894 b
4896 /(foo ( \( ((?:(?> [^()]+ )|(?2))*) \) ) )/x
4897 foo(bar(baz)+baz(bop))
4899 /(A (A|B(*ACCEPT)|C) D)(E)/x
4900 AB
4902 /\A.*?(?:a|b(*THEN)c)/
4903 ba
4905 /\A.*?(?:a|bc)/
4906 ba
4908 /\A.*?(a|b(*THEN)c)/
4909 ba
4911 /\A.*?(a|bc)/
4912 ba
4914 /\A.*?(?:a|b(*THEN)c)++/
4915 ba
4917 /\A.*?(?:a|bc)++/
4918 ba
4920 /\A.*?(a|b(*THEN)c)++/
4921 ba
4923 /\A.*?(a|bc)++/
4924 ba
4926 /\A.*?(?:a|b(*THEN)c|d)/
4927 ba
4929 /\A.*?(?:a|bc|d)/
4930 ba
4932 /(?:(b))++/
4933 beetle
4935 /(?(?=(a(*ACCEPT)z))a)/
4936 a
4938 /^(a)(?1)+ab/
4939 aaaab
4941 /^(a)(?1)++ab/
4942 aaaab
4944 /^(?=a(*:M))aZ/K
4945 aZbc
4947 /^(?!(*:M)b)aZ/K
4948 aZbc
4950 /(?(DEFINE)(a))?b(?1)/
4951 backgammon
4953 /^\N+/
4954 abc\ndef
4956 /^\N{1,}/
4957 abc\ndef
4959 /(?(R)a+|(?R)b)/
4960 aaaabcde
4962 /(?(R)a+|((?R))b)/
4963 aaaabcde
4965 /((?(R)a+|(?1)b))/
4966 aaaabcde
4968 /((?(R1)a+|(?1)b))/
4969 aaaabcde
4971 /a(*:any
4972 name)/K
4973 abc
4975 /(?>(?&t)c|(?&t))(?(DEFINE)(?<t>a|b(*PRUNE)c))/
4976 a
4977 ba
4978 bba
4980 /--- Checking revised (*THEN) handling ---/
4982 /--- Capture ---/
4984 /^.*? (a(*THEN)b) c/x
4985 aabc
4987 /^.*? (a(*THEN)b|(*F)) c/x
4988 aabc
4990 /^.*? ( (a(*THEN)b) | (*F) ) c/x
4991 aabc
4993 /^.*? ( (a(*THEN)b) ) c/x
4994 aabc
4996 /--- Non-capture ---/
4998 /^.*? (?:a(*THEN)b) c/x
4999 aabc
5001 /^.*? (?:a(*THEN)b|(*F)) c/x
5002 aabc
5004 /^.*? (?: (?:a(*THEN)b) | (*F) ) c/x
5005 aabc
5007 /^.*? (?: (?:a(*THEN)b) ) c/x
5008 aabc
5010 /--- Atomic ---/
5012 /^.*? (?>a(*THEN)b) c/x
5013 aabc
5015 /^.*? (?>a(*THEN)b|(*F)) c/x
5016 aabc
5018 /^.*? (?> (?>a(*THEN)b) | (*F) ) c/x
5019 aabc
5021 /^.*? (?> (?>a(*THEN)b) ) c/x
5022 aabc
5024 /--- Possessive capture ---/
5026 /^.*? (a(*THEN)b)++ c/x
5027 aabc
5029 /^.*? (a(*THEN)b|(*F))++ c/x
5030 aabc
5032 /^.*? ( (a(*THEN)b)++ | (*F) )++ c/x
5033 aabc
5035 /^.*? ( (a(*THEN)b)++ )++ c/x
5036 aabc
5038 /--- Possessive non-capture ---/
5040 /^.*? (?:a(*THEN)b)++ c/x
5041 aabc
5043 /^.*? (?:a(*THEN)b|(*F))++ c/x
5044 aabc
5046 /^.*? (?: (?:a(*THEN)b)++ | (*F) )++ c/x
5047 aabc
5049 /^.*? (?: (?:a(*THEN)b)++ )++ c/x
5050 aabc
5052 /--- Condition assertion ---/
5054 /^(?(?=a(*THEN)b)ab|ac)/
5055 ac
5057 /--- Condition ---/
5059 /^.*?(?(?=a)a|b(*THEN)c)/
5060 ba
5062 /^.*?(?:(?(?=a)a|b(*THEN)c)|d)/
5063 ba
5065 /^.*?(?(?=a)a(*THEN)b|c)/
5066 ac
5068 /--- Assertion ---/
5070 /^.*(?=a(*THEN)b)/
5071 aabc
5073 /------------------------------/
5075 /(?>a(*:m))/imsxSK
5076 a
5078 /(?>(a)(*:m))/imsxSK
5079 a
5081 /(?<=a(*ACCEPT)b)c/
5082 xacd
5084 /(?<=(a(*ACCEPT)b))c/
5085 xacd
5087 /(?<=(a(*COMMIT)b))c/
5088 xabcd
5089 ** Failers
5090 xacd
5092 /(?<!a(*FAIL)b)c/
5093 xcd
5094 acd
5096 /(?<=a(*:N)b)c/K
5097 xabcd
5099 /(?<=a(*PRUNE)b)c/
5100 xabcd
5102 /(?<=a(*SKIP)b)c/
5103 xabcd
5105 /(?<=a(*THEN)b)c/
5106 xabcd
5108 /(a)(?2){2}(.)/
5109 abcd
5111 /(*MARK:A)(*PRUNE:B)(C|X)/KS
5112 C
5113 D
5115 /(*MARK:A)(*PRUNE:B)(C|X)/KSS
5116 C
5117 D
5119 /(*MARK:A)(*THEN:B)(C|X)/KS
5120 C
5121 D
5123 /(*MARK:A)(*THEN:B)(C|X)/KSY
5124 C
5125 D
5127 /(*MARK:A)(*THEN:B)(C|X)/KSS
5128 C
5129 D
5131 /--- This should fail, as the skip causes a bump to offset 3 (the skip) ---/
5133 /A(*MARK:A)A+(*SKIP)(B|Z) | AC/xK
5134 AAAC
5136 /--- Same --/
5138 /A(*MARK:A)A+(*MARK:B)(*SKIP:B)(B|Z) | AC/xK
5139 AAAC
5141 /A(*:A)A+(*SKIP)(B|Z) | AC/xK
5142 AAAC
5144 /--- This should fail, as a null name is the same as no name ---/
5146 /A(*MARK:A)A+(*SKIP:)(B|Z) | AC/xK
5147 AAAC
5149 /--- A check on what happens after hitting a mark and them bumping along to
5150 something that does not even start. Perl reports tags after the failures here,
5151 though it does not when the individual letters are made into something
5152 more complicated. ---/
5154 /A(*:A)B|XX(*:B)Y/K
5155 AABC
5156 XXYZ
5157 ** Failers
5158 XAQQ
5159 XAQQXZZ
5160 AXQQQ
5161 AXXQQQ
5163 /^(A(*THEN:A)B|C(*THEN:B)D)/K
5164 AB
5165 CD
5166 ** Failers
5167 AC
5168 CB
5170 /^(A(*PRUNE:A)B|C(*PRUNE:B)D)/K
5171 AB
5172 CD
5173 ** Failers
5174 AC
5175 CB
5177 /--- An empty name does not pass back an empty string. It is the same as if no
5178 name were given. ---/
5180 /^(A(*PRUNE:)B|C(*PRUNE:B)D)/K
5181 AB
5182 CD
5184 /--- PRUNE goes to next bumpalong; COMMIT does not. ---/
5186 /A(*PRUNE:A)B/K
5187 ACAB
5189 /--- Mark names can be duplicated ---/
5191 /A(*:A)B|X(*:A)Y/K
5192 AABC
5193 XXYZ
5195 /b(*:m)f|a(*:n)w/K
5196 aw
5197 ** Failers
5198 abc
5200 /b(*:m)f|aw/K
5201 abaw
5202 ** Failers
5203 abc
5204 abax
5206 /A(*MARK:A)A+(*SKIP:B)(B|Z) | AAC/xK
5207 AAAC
5209 /a(*PRUNE:X)bc|qq/KY
5210 ** Failers
5211 axy
5213 /a(*THEN:X)bc|qq/KY
5214 ** Failers
5215 axy
5217 /(?=a(*MARK:A)b)..x/K
5218 abxy
5219 ** Failers
5220 abpq
5222 /(?=a(*MARK:A)b)..(*:Y)x/K
5223 abxy
5224 ** Failers
5225 abpq
5227 /(?=a(*PRUNE:A)b)..x/K
5228 abxy
5229 ** Failers
5230 abpq
5232 /(?=a(*PRUNE:A)b)..(*:Y)x/K
5233 abxy
5234 ** Failers
5235 abpq
5237 /(?=a(*THEN:A)b)..x/K
5238 abxy
5239 ** Failers
5240 abpq
5242 /(?=a(*THEN:A)b)..(*:Y)x/K
5243 abxy
5244 ** Failers
5245 abpq
5247 /(another)?(\1?)test/
5248 hello world test
5250 /(another)?(\1+)test/
5251 hello world test
5253 /(a(*COMMIT)b){0}a(?1)|aac/
5254 aac
5256 /(?!a(*COMMIT)b)ac|cd/
5257 ac
5259 /((?:a?)*)*c/
5260 aac
5262 /((?>a?)*)*c/
5263 aac
5265 /(?>.*?a)(?<=ba)/
5266 aba
5268 /(?:.*?a)(?<=ba)/
5269 aba
5271 /.*?a(*PRUNE)b/
5272 aab
5274 /.*?a(*PRUNE)b/s
5275 aab
5277 /^a(*PRUNE)b/s
5278 aab
5280 /.*?a(*SKIP)b/
5281 aab
5283 /(?>.*?a)b/s
5284 aab
5286 /(?>.*?a)b/
5287 aab
5289 /(?>^a)b/s
5290 aab
5292 /(?>.*?)(?<=(abcd)|(wxyz))/
5293 alphabetabcd
5294 endingwxyz
5296 /(?>.*)(?<=(abcd)|(wxyz))/
5297 alphabetabcd
5298 endingwxyz
5300 "(?>.*)foo"
5301 abcdfooxyz
5303 "(?>.*?)foo"
5304 abcdfooxyz
5306 /-- End of testinput1 --/