1 # This stops me getting screenfulls of syntax errors every time I accidentally
2 # run this file via a shell glob. Format of this file is given in regexp.t
25 ab*bc abbbbc y $& abbbbc
26 ab*bc abbbbc y $-[0] 0
27 ab*bc abbbbc y $+[0] 6
31 .{3,4} abbbbc y $& abbb
32 .{3,4} abbbbc y $-[0] 0
33 .{3,4} abbbbc y $+[0] 4
35 \N{1} abbbbc y $-[0] 0
36 \N{1} abbbbc y $+[0] 1
37 /\N {1}/x abbbbc y $& a
38 /\N {1}/x abbbbc y $-[0] 0
39 /\N {1}/x abbbbc y $+[0] 1
40 \N{3,4} abbbbc y $& abbb
41 \N{3,4} abbbbc y $-[0] 0
42 \N{3,4} abbbbc y $+[0] 4
43 /\N {3,4}/x abbbbc y $& abbb
44 /\N {3,4}/x abbbbc y $-[0] 0
45 /\N {3,4}/x abbbbc y $+[0] 4
46 ab{0,}bc abbbbc y $& abbbbc
47 ab{0,}bc abbbbc y $-[0] 0
48 ab{0,}bc abbbbc y $+[0] 6
55 ab+bc abbbbc y $& abbbbc
56 ab+bc abbbbc y $-[0] 0
57 ab+bc abbbbc y $+[0] 6
58 ab{1,}bc abbbbc y $& abbbbc
59 ab{1,}bc abbbbc y $-[0] 0
60 ab{1,}bc abbbbc y $+[0] 6
61 ab{1,3}bc abbbbc y $& abbbbc
62 ab{1,3}bc abbbbc y $-[0] 0
63 ab{1,3}bc abbbbc y $+[0] 6
64 ab{3,4}bc abbbbc y $& abbbbc
65 ab{3,4}bc abbbbc y $-[0] 0
66 ab{3,4}bc abbbbc y $+[0] 6
67 ab{4,5}bc abbbbc n - -
70 ab{0,1}bc abc y $& abc
87 a\N*c axyzc y $& axyzc
88 /a\N *c/x axyzc y $& axyzc
95 [a][b][d] abd y $& abd
98 (?i:.[b].) abd y $& abd
99 (?i:\N[b]\N) abd y $& abd
105 a[b-a] - c - Invalid [] range \"b-a\"
106 a[]b - c - Unmatched [
162 *a - c - Quantifier follows nothing
163 (|*)b - c - Quantifier follows nothing
164 (*)b - c - Unknown verb
166 a\ - c - Search pattern not terminated
167 a\(b a(b y $&-$1 a(b-
171 abc) - c - Unmatched )
172 (abc - c - Unmatched (
173 ((a)) abc y $&-$1-$2 a-a-a
174 ((a)) abc y $-[0]-$-[1]-$-[2] 0-0-0
175 ((a)) abc y $+[0]-$+[1]-$+[2] 1-1-1
178 (a)b(c) abc y $&-$1-$2 abc-a-c
179 (a)b(c) abc y $-[0]-$-[1]-$-[2] 0-0-2
180 (a)b(c) abc y $+[0]-$+[1]-$+[2] 3-1-3
181 a+b+c aabbabc y $& abc
182 a{1,}b{1,}c aabbabc y $& abc
183 a** - c - Nested quantifiers
184 a.+?c abcabc y $& abc
185 (a+|b)* ab y $&-$1 ab-b
190 (a+|b){0,} ab y $&-$1 ab-b
191 (a+|b)+ ab y $&-$1 ab-b
192 (a+|b){1,} ab y $&-$1 ab-b
193 (a+|b)? ab y $&-$1 a-a
194 (a+|b){0,1} ab y $&-$1 a-a
199 ([abc])*d abbbcd y $&-$1 abbbcd-c
200 ([abc])*bcd abcd y $&-$1 abcd-a
202 (a|b|c|d|e)f ef y $&-$1 ef-e
203 (a|b|c|d|e)f ef y $-[0] 0
204 (a|b|c|d|e)f ef y $+[0] 2
205 (a|b|c|d|e)f ef y $-[1] 0
206 (a|b|c|d|e)f ef y $+[1] 1
207 abcd*efg abcdefg y $& abcdefg
208 ab* xabyabbbz y $& ab
210 (ab|cd)e abcde y $&-$1 cde-cd
211 [abhgefdc]ij hij y $& hij
212 ^(ab|cd)e abcde n x$1y xy
213 (abc|)ef abcdef y $&-$1 ef-
214 (a|b)c*d abcd y $&-$1 bcd-b
215 (ab|ab*)bc abc y $&-$1 abc-a
216 a([bc]*)c* abc y $&-$1 abc-bc
217 a([bc]*)(c*d) abcd y $&-$1-$2 abcd-bc-d
218 a([bc]*)(c*d) abcd y $-[0] 0
219 a([bc]*)(c*d) abcd y $+[0] 4
220 a([bc]*)(c*d) abcd y $-[1] 1
221 a([bc]*)(c*d) abcd y $+[1] 3
222 a([bc]*)(c*d) abcd y $-[2] 3
223 a([bc]*)(c*d) abcd y $+[2] 4
224 a([bc]+)(c*d) abcd y $&-$1-$2 abcd-bc-d
225 a([bc]*)(c+d) abcd y $&-$1-$2 abcd-b-cd
226 a([bc]*)(c+d) abcd y $-[0] 0
227 a([bc]*)(c+d) abcd y $+[0] 4
228 a([bc]*)(c+d) abcd y $-[1] 1
229 a([bc]*)(c+d) abcd y $+[1] 2
230 a([bc]*)(c+d) abcd y $-[2] 2
231 a([bc]*)(c+d) abcd y $+[2] 4
232 a[bcd]*dcdcde adcdcde y $& adcdcde
233 a[bcd]+dcdcde adcdcde n - -
234 (ab|a)b*c abc y $&-$1 abc-ab
235 (ab|a)b*c abc y $-[0] 0
236 (ab|a)b*c abc y $+[0] 3
237 (ab|a)b*c abc y $-[1] 0
238 (ab|a)b*c abc y $+[1] 2
239 ((a)(b)c)(d) abcd y $1-$2-$3-$4 abc-a-b-d
240 ((a)(b)c)(d) abcd y $-[0] 0
241 ((a)(b)c)(d) abcd y $+[0] 4
242 ((a)(b)c)(d) abcd y $-[1] 0
243 ((a)(b)c)(d) abcd y $+[1] 3
244 ((a)(b)c)(d) abcd y $-[2] 0
245 ((a)(b)c)(d) abcd y $+[2] 1
246 ((a)(b)c)(d) abcd y $-[3] 1
247 ((a)(b)c)(d) abcd y $+[3] 2
248 ((a)(b)c)(d) abcd y $-[4] 3
249 ((a)(b)c)(d) abcd y $+[4] 4
250 [a-zA-Z_][a-zA-Z0-9_]* alpha y $& alpha
251 ^a(bc+|b[eh])g|.h$ abh y $&-$1 bh-
252 (bc+d$|ef*g.|h?i(j|k)) effgz y $&-$1-$2 effgz-effgz-
253 (bc+d$|ef*g.|h?i(j|k)) ij y $&-$1-$2 ij-ij-j
254 (bc+d$|ef*g.|h?i(j|k)) effg n - -
255 (bc+d$|ef*g.|h?i(j|k)) bcdd n - -
256 (bc+d$|ef*g.|h?i(j|k)) reffgz y $&-$1-$2 effgz-effgz-
257 ((((((((((a)))))))))) a y $10 a
258 ((((((((((a)))))))))) a y $-[0] 0
259 ((((((((((a)))))))))) a y $+[0] 1
260 ((((((((((a)))))))))) a y $-[10] 0
261 ((((((((((a)))))))))) a y $+[10] 1
262 ((((((((((a))))))))))\10 aa y $& aa
263 ((((((((((a))))))))))${bang} aa n - -
264 ((((((((((a))))))))))${bang} a! y $& a!
265 (((((((((a))))))))) a y $& a
266 multiple words of text uh-uh n - -
267 multiple words multiple words, yeah y $& multiple words
268 (.*)c(.*) abcde y $&-$1-$2 abcde-ab-de
269 \((.*), (.*)\) (a, b) y ($2, $1) (b, a)
271 abcd abcd y $&-\$&-\\$& abcd-\$&-\\abcd
272 a(bc)d abcd y $1-\$1-\\$1 bc-\$1-\\bc
274 (abc)\1 abcabc y $1 abc
275 ([a-c]*)\1 abcabc y $1 abc
276 \1 - c - Reference to nonexistent group
277 \2 - c - Reference to nonexistent group
278 \g1 - c - Reference to nonexistent group
279 \g-1 - c - Reference to nonexistent or unclosed group
280 \g{1} - c - Reference to nonexistent group
281 \g{-1} - c - Reference to nonexistent or unclosed group
282 \g0 - c - Reference to invalid group 0
283 \g-0 - c - Reference to invalid group 0
284 \g{0} - c - Reference to invalid group 0
285 \g{-0} - c - Reference to invalid group 0
287 (a)|\1 x n - Reference to group in different branch
288 (?:(b)?a)\1 a n - Reference to group that did not match
289 (a)|\2 - c - Reference to nonexistent group
290 (([a-c])b*?\2)* ababbbcbc y $&-$1-$2 ababb-bb-b
291 (([a-c])b*?\2){3} ababbbcbc y $&-$1-$2 ababbbcbc-cbc-c
292 ((\3|b)\2(a)x)+ aaxabxbaxbbx n - -
293 ((\3|b)\2(a)x)+ aaaxabaxbaaxbbax y $&-$1-$2-$3 bbax-bbax-b-a
294 ((\3|b)\2(a)){2,} bbaababbabaaaaabbaaaabba y $&-$1-$2-$3 bbaaaabba-bba-b-a
295 #Bug #3589 - up to perl-5.6.0 matches incorrectly, from 5.6.1 not anymore
296 ^((.)?a\2)+$ babadad n - -
307 'abc'i XABCY y $& ABC
308 'abc'i ABABC y $& ABC
310 'ab*bc'i ABC y $& ABC
311 'ab*bc'i ABBC y $& ABBC
312 'ab*?bc'i ABBBBC y $& ABBBBC
313 'ab{0,}?bc'i ABBBBC y $& ABBBBC
314 'ab+?bc'i ABBC y $& ABBC
317 'ab{1,}bc'i ABQ n - -
318 'ab+bc'i ABBBBC y $& ABBBBC
319 'ab{1,}?bc'i ABBBBC y $& ABBBBC
320 'ab{1,3}?bc'i ABBBBC y $& ABBBBC
321 'ab{3,4}?bc'i ABBBBC y $& ABBBBC
322 'ab{4,5}?bc'i ABBBBC n - -
323 'ab??bc'i ABBC y $& ABBC
324 'ab??bc'i ABC y $& ABC
325 'ab{0,1}?bc'i ABC y $& ABC
326 'ab??bc'i ABBBBC n - -
327 'ab??c'i ABC y $& ABC
328 'ab{0,1}?c'i ABC y $& ABC
329 '^abc$'i ABC y $& ABC
331 '^abc'i ABCC y $& ABC
333 'abc$'i AABC y $& ABC
339 'a.*?c'i AXYZC y $& AXYZC
342 'a[bc]d'i ABD y $& ABD
344 'a[b-d]e'i ACE y $& ACE
345 'a[b-d]'i AAC y $& AC
348 'a[b-a]'i - c - Invalid [] range \"b-a\"
349 'a[]b'i - c - Unmatched [
350 'a['i - c - Unmatched [
352 'a[]]b'i A]B y $& A]B
353 'a[^bc]d'i AED y $& AED
355 'a[^-b]c'i ADC y $& ADC
358 'a[^]b]c'i ADC y $& ADC
360 'ab|cd'i ABCD y $& AB
361 '()ef'i DEF y $&-$1 EF-
362 '*a'i - c - Quantifier follows nothing
363 '(|*)b'i - c - Quantifier follows nothing
364 '(*)b'i - c - Unknown verb
366 'a\'i - c - Search pattern not terminated
367 'a\(b'i A(B y $&-$1 A(B-
369 'a\(*b'i A((B y $& A((B
370 'a\\b'i A\\B y $& A\\B
371 'abc)'i - c - Unmatched )
372 '(abc'i - c - Unmatched (
373 '((a))'i ABC y $&-$1-$2 A-A-A
374 '(a)b(c)'i ABC y $&-$1-$2 ABC-A-C
375 'a+b+c'i AABBABC y $& ABC
376 'a{1,}b{1,}c'i AABBABC y $& ABC
377 'a**'i - c - Nested quantifiers
378 'a.+?c'i ABCABC y $& ABC
379 'a.*?c'i ABCABC y $& ABC
380 'a.{0,5}?c'i ABCABC y $& ABC
381 '(a+|b)*'i AB y $&-$1 AB-B
382 '(a+|b){0,}'i AB y $&-$1 AB-B
383 '(a+|b)+'i AB y $&-$1 AB-B
384 '(a+|b){1,}'i AB y $&-$1 AB-B
385 '(a+|b)?'i AB y $&-$1 A-A
386 '(a+|b){0,1}'i AB y $&-$1 A-A
387 '(a+|b){0,1}?'i AB y $&-$1 -
388 ')('i - c - Unmatched )
389 '[^ab]*'i CDE y $& CDE
392 '([abc])*d'i ABBBCD y $&-$1 ABBBCD-C
393 '([abc])*bcd'i ABCD y $&-$1 ABCD-A
394 'a|b|c|d|e'i E y $& E
395 '(a|b|c|d|e)f'i EF y $&-$1 EF-E
396 'abcd*efg'i ABCDEFG y $& ABCDEFG
397 'ab*'i XABYABBBZ y $& AB
398 'ab*'i XAYABBBZ y $& A
399 '(ab|cd)e'i ABCDE y $&-$1 CDE-CD
400 '[abhgefdc]ij'i HIJ y $& HIJ
401 '^(ab|cd)e'i ABCDE n x$1y XY
402 '(abc|)ef'i ABCDEF y $&-$1 EF-
403 '(a|b)c*d'i ABCD y $&-$1 BCD-B
404 '(ab|ab*)bc'i ABC y $&-$1 ABC-A
405 'a([bc]*)c*'i ABC y $&-$1 ABC-BC
406 'a([bc]*)(c*d)'i ABCD y $&-$1-$2 ABCD-BC-D
407 'a([bc]+)(c*d)'i ABCD y $&-$1-$2 ABCD-BC-D
408 'a([bc]*)(c+d)'i ABCD y $&-$1-$2 ABCD-B-CD
409 'a[bcd]*dcdcde'i ADCDCDE y $& ADCDCDE
410 'a[bcd]+dcdcde'i ADCDCDE n - -
411 '(ab|a)b*c'i ABC y $&-$1 ABC-AB
412 '((a)(b)c)(d)'i ABCD y $1-$2-$3-$4 ABC-A-B-D
413 '[a-zA-Z_][a-zA-Z0-9_]*'i ALPHA y $& ALPHA
414 '^a(bc+|b[eh])g|.h$'i ABH y $&-$1 BH-
415 '(bc+d$|ef*g.|h?i(j|k))'i EFFGZ y $&-$1-$2 EFFGZ-EFFGZ-
416 '(bc+d$|ef*g.|h?i(j|k))'i IJ y $&-$1-$2 IJ-IJ-J
417 '(bc+d$|ef*g.|h?i(j|k))'i EFFG n - -
418 '(bc+d$|ef*g.|h?i(j|k))'i BCDD n - -
419 '(bc+d$|ef*g.|h?i(j|k))'i REFFGZ y $&-$1-$2 EFFGZ-EFFGZ-
420 '((((((((((a))))))))))'i A y $10 A
421 '((((((((((a))))))))))\10'i AA y $& AA
422 '((((((((((a))))))))))${bang}'i AA n - -
423 '((((((((((a))))))))))${bang}'i A! y $& A!
424 '(((((((((a)))))))))'i A y $& A
425 '(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))'i A y $1 A
426 '(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))'i C y $1 C
427 'multiple words of text'i UH-UH n - -
428 'multiple words'i MULTIPLE WORDS, YEAH y $& MULTIPLE WORDS
429 '(.*)c(.*)'i ABCDE y $&-$1-$2 ABCDE-AB-DE
430 '\((.*), (.*)\)'i (A, B) y ($2, $1) (B, A)
432 'abcd'i ABCD y $&-\$&-\\$& ABCD-\$&-\\ABCD
433 'a(bc)d'i ABCD y $1-\$1-\\$1 BC-\$1-\\BC
435 '(abc)\1'i ABCABC y $1 ABC
436 '([a-c]*)\1'i ABCABC y $1 ABC
440 a(?=c|d). abad y $& ad
441 a(?:b|c|d)(.) ace y $1 e
442 a(?:b|c|d)*(.) ace y $1 e
443 a(?:b|c|d)+?(.) ace y $1 e
444 a(?:b|c|d)+?(.) acdbcdbe y $1 d
445 a(?:b|c|d)+(.) acdbcdbe y $1 e
446 a(?:b|c|d){2}(.) acdbcdbe y $1 b
447 a(?:b|c|d){4,5}(.) acdbcdbe y $1 b
448 a(?:b|c|d){4,5}?(.) acdbcdbe y $1 d
449 ((foo)|(bar))* foobar y $1-$2-$3 bar-foo-bar
450 :(?: - c - Sequence (? incomplete
451 a(?:b|c|d){6,7}(.) acdbcdbe y $1 e
452 a(?:b|c|d){6,7}?(.) acdbcdbe y $1 e
453 a(?:b|c|d){5,6}(.) acdbcdbe y $1 e
454 a(?:b|c|d){5,6}?(.) acdbcdbe y $1 b
455 a(?:b|c|d){5,7}(.) acdbcdbe y $1 e
456 a(?:b|c|d){5,7}?(.) acdbcdbe y $1 b
457 a(?:b|(c|e){1,2}?|d)+?(.) ace y $1$2 ce
459 ^([^a-z])|(\^)$ . y $1 .
461 ^(a\1?){4}$ aaaaaaaaaa y $1 aaaa
462 ^(a\1?){4}$ aaaaaaaaa n - -
463 ^(a\1?){4}$ aaaaaaaaaaa n - -
464 ^(a(?(1)\1)){4}$ aaaaaaaaaa y $1 aaaa
465 ^(a(?(1)\1)){4}$ aaaaaaaaa n - -
466 ^(a(?(1)\1)){4}$ aaaaaaaaaaa n - -
467 ((a{4})+) aaaaaaaaa y $1 aaaaaaaa
468 (((aa){2})+) aaaaaaaaaa y $1 aaaaaaaa
469 (((a{2}){2})+) aaaaaaaaaa y $1 aaaaaaaa
470 (?:(f)(o)(o)|(b)(a)(r))* foobar y $1:$2:$3:$4:$5:$6 f:o:o:b:a:r
478 (?<%)b - c - Sequence (?<%...) not recognized
479 (?:..)*a aba y $& aba
481 ^(?:b|a(?=(.)))*\1 abc y $& ab
484 ^((a|b)+)*ax aax y $1 a
485 ^((a|bc)+)*ax aax y $1 a
488 (?:(?i)a)b ab y $& ab
489 ((?i)a)b ab y $&:$1 ab:a
490 (?:(?i)a)b Ab y $& Ab
491 ((?i)a)b Ab y $&:$1 Ab:A
495 ((?i:a))b ab y $&:$1 ab:a
497 ((?i:a))b Ab y $&:$1 Ab:A
500 '(?:(?-i)a)b'i ab y $& ab
501 '((?-i)a)b'i ab y $&:$1 ab:a
502 '(?:(?-i)a)b'i aB y $& aB
503 '((?-i)a)b'i aB y $&:$1 aB:a
504 '(?:(?-i)a)b'i Ab n - -
505 '((?-i)a)b'i Ab n - -
506 '(?:(?-i)a)b'i aB y $& aB
507 '((?-i)a)b'i aB y $1 a
508 '(?:(?-i)a)b'i AB n - -
509 '((?-i)a)b'i AB n - -
510 '(?-i:a)b'i ab y $& ab
511 '((?-i:a))b'i ab y $&:$1 ab:a
512 '(?-i:a)b'i aB y $& aB
513 '((?-i:a))b'i aB y $&:$1 aB:a
515 '((?-i:a))b'i Ab n - -
516 '(?-i:a)b'i aB y $& aB
517 '((?-i:a))b'i aB y $1 a
519 '((?-i:a))b'i AB n - -
520 '((?-i:a.))b'i a\nB n - -
521 '((?-i:a\N))b'i a\nB n - -
522 '((?s-i:a.))b'i a\nB y $1 a\n
523 '((?s-i:a\N))b'i a\nB n - -
524 '((?s-i:a.))b'i B\nB n - -
525 '((?s-i:a\N))b'i B\nB n - -
526 (?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b))) cabbbb y $& cabbbb
527 (?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb))) caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb y $& caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
528 '(ab)\d\1'i Ab4ab y $1 Ab
529 '(ab)\d\1'i ab4Ab y $1 ab
530 foo\w*\d{4}baz foobar1234baz y $& foobar1234baz
532 a(?{)b - c - Sequence (?{...}) not terminated or not {}-balanced
533 a(?{{})b - c - Sequence (?{...}) not terminated or not {}-balanced
535 a(?{"{"})b - c - Sequence (?{...}) not terminated or not {}-balanced
536 a(?{"\{"})b cabd y $& ab
537 a(?{"{"}})b - c - Unmatched right curly bracket
538 a(?{$::bl="\{"}).b caxbd y $::bl {
539 x(~~)*(?:(?:F)?)? x~~ y - -
540 ^a(?#xxx){3}c aaac y $& aaac
541 '^a (?#xxx) (?#yyy) {3}c'x aaac y $& aaac
542 (?<![cd])b dbcb n - -
543 (?<![cd])[ab] dbaacb y $& a
544 (?<!(c|d))b dbcb n - -
545 (?<!(c|d))[ab] dbaacb y $& a
546 (?<!cd)[ab] cdaccb y $& b
547 ^(?:a?b?)*$ a-- n - -
548 ((?s)^a(.))((?m)^b$) a\nb\nc\n y $1;$2;$3 a\n;\n;b
549 ((?m)^b$) a\nb\nc\n y $1 b
551 (?m)^(b) a\nb\n y $1 b
552 ((?m)^b) a\nb\n y $1 b
553 \n((?m)^b) a\nb\n y $1 b
554 ((?s).)c(?!.) a\nb\nc\n y $1 \n
555 ((?s).)c(?!.) a\nb\nc\n y $1:$& \n:\nc
556 ((?s)b.)c(?!.) a\nb\nc\n y $1 b\n
557 ((?s)b.)c(?!.) a\nb\nc\n y $1:$& b\n:b\nc
558 ((?s)b.)c(?!\N) a\nb\nc\n y $1:$& b\n:b\nc
559 '(b.)c(?!\N)'s a\nb\nc\n y $1:$& b\n:b\nc
562 ((?m)^b) a\nb\nc\n y $1 b
565 (x)?(?(1)a|b) a n - -
566 (x)?(?(1)b|a) a y $& a
567 ()?(?(1)b|a) a y $& a
569 ()?(?(1)a|b) a y $& a
570 ^(\()?blah(?(1)(\)))$ (blah) y $2 )
571 ^(\()?blah(?(1)(\)))$ blah y ($2) ()
572 ^(\()?blah(?(1)(\)))$ blah) n - -
573 ^(\()?blah(?(1)(\)))$ (blah n - -
574 ^(\(+)?blah(?(1)(\)))$ (blah) y $2 )
575 ^(\(+)?blah(?(1)(\)))$ blah y ($2) ()
576 ^(\(+)?blah(?(1)(\)))$ blah) n - -
577 ^(\(+)?blah(?(1)(\)))$ (blah n - -
578 (?(1?)a|b) a c - Switch condition not recognized
579 (?(1)a|b|c) a c - Switch (?(condition)... contains too many branches
581 (?(?{0})b|a) a y $& a
583 (?(?{1})a|b) a y $& a
588 (?=(a+?))(\1ab) aaab y $2 aab
589 ^(?=(a+?))\1ab aaab n - -
590 (\w+:)+ one: y $1 one:
592 (?=(a+?))(\1ab) aaab y $2 aab
593 ^(?=(a+?))\1ab aaab n - -
594 ([\w:]+::)?(\w+)$ abcd: n - -
595 ([\w:]+::)?(\w+)$ abcd y $1-$2 -abcd
596 ([\w:]+::)?(\w+)$ xy:z:::abcd y $1-$2 xy:z:::-abcd
597 ^[^bcd]*(c+) aexycd y $1 c
599 ([\w:]+::)?(\w+)$ abcd: n - -
600 ([\w:]+::)?(\w+)$ abcd y $1-$2 -abcd
601 ([\w:]+::)?(\w+)$ xy:z:::abcd y $1-$2 xy:z:::-abcd
602 ^[^bcd]*(c+) aexycd y $1 c
603 (?{$a=2})a*aa(?{local$a=$a+1})k*c(?{$b=$a}) yaaxxaaaacd y $b 3
604 (?{$a=2})(a(?{local$a=$a+1}))*aak*c(?{$b=$a}) yaaxxaaaacd y $b 4
607 ([[:]+) a:[b]: y $1 :[
608 ([[=]+) a=[b]= y $1 =[
609 ([[.]+) a.[b]. y $1 .[
610 [a[:xyz: - c - Unmatched [
611 [a[:xyz:] - c - POSIX class [:xyz:] unknown
612 [a[:]b[:c] abc y $& abc
613 ([a[:xyz:]b]+) pbaq c - POSIX class [:xyz:] unknown
614 [a[:]b[:c] abc y $& abc
615 ([[:alpha:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd
616 ([[:alnum:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy
617 ([[:ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__-- ${nulnul}
618 ([[:cntrl:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${nulnul}
619 ([[:digit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 01
620 ([[:graph:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
621 ([[:lower:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 cd
622 ([[:print:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
623 ([[:punct:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 __--
624 ([[:space:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1
625 ([[:word:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__
626 ([[:upper:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 AB
627 ([[:xdigit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01
628 ([[:^alpha:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 01
629 ([[:^alnum:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 __-- ${nulnul}${ffff}
630 ([[:^ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${ffff}
631 ([[:^cntrl:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
632 ([[:^digit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd
633 ([[:^lower:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 AB
634 ([[:^print:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${nulnul}${ffff}
635 ([[:^punct:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy
636 ([[:^space:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
637 ([[:^word:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 -- ${nulnul}${ffff}
638 ([[:^upper:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 cd01
639 ([[:^xdigit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 Xy__-- ${nulnul}${ffff}
640 [[:foo:]] - c - POSIX class [:foo:] unknown
641 [[:^foo:]] - c - POSIX class [:^foo:] unknown
642 ((?>a+)b) aaab y $1 aaab
643 (?>(a+))b aaab y $1 aaa
644 ((?>[^()]+)|\([^()]*\))+ ((abc(ade)ufh()()x y $& abc(ade)ufh()()x
645 (?<=x+)y - c - Variable length lookbehind not implemented
646 a{37,17} - c - Can't do {n,m} with n > m
647 a{37,0} - c - Can't do {n,m} with n > m
657 '\Z'm a\nb\n y $-[0] 3
658 '\z'm a\nb\n y $-[0] 4
659 '$'m a\nb\n y $-[0] 1
660 '\Z'm b\na\n y $-[0] 3
661 '\z'm b\na\n y $-[0] 4
662 '$'m b\na\n y $-[0] 1
677 'a$'m a\nb\n y $-[0] 0
678 'a\Z'm b\na\n y $-[0] 2
680 'a$'m b\na\n y $-[0] 2
681 'a\Z'm b\na y $-[0] 2
682 'a\z'm b\na y $-[0] 2
687 aa\Z b\naa\n y $-[0] 2
689 aa$ b\naa\n y $-[0] 2
693 'aa\Z'm aa\nb\n n - -
694 'aa\z'm aa\nb\n n - -
695 'aa$'m aa\nb\n y $-[0] 0
696 'aa\Z'm b\naa\n y $-[0] 2
697 'aa\z'm b\naa\n n - -
698 'aa$'m b\naa\n y $-[0] 2
699 'aa\Z'm b\naa y $-[0] 2
700 'aa\z'm b\naa y $-[0] 2
701 'aa$'m b\naa y $-[0] 2
711 'aa\Z'm ac\nb\n n - -
712 'aa\z'm ac\nb\n n - -
714 'aa\Z'm b\nac\n n - -
715 'aa\z'm b\nac\n n - -
729 'aa\Z'm ca\nb\n n - -
730 'aa\z'm ca\nb\n n - -
732 'aa\Z'm b\nca\n n - -
733 'aa\z'm b\nca\n n - -
741 ab\Z b\nab\n y $-[0] 2
743 ab$ b\nab\n y $-[0] 2
747 'ab\Z'm ab\nb\n n - -
748 'ab\z'm ab\nb\n n - -
749 'ab$'m ab\nb\n y $-[0] 0
750 'ab\Z'm b\nab\n y $-[0] 2
751 'ab\z'm b\nab\n n - -
752 'ab$'m b\nab\n y $-[0] 2
753 'ab\Z'm b\nab y $-[0] 2
754 'ab\z'm b\nab y $-[0] 2
755 'ab$'m b\nab y $-[0] 2
765 'ab\Z'm ac\nb\n n - -
766 'ab\z'm ac\nb\n n - -
768 'ab\Z'm b\nac\n n - -
769 'ab\z'm b\nac\n n - -
783 'ab\Z'm ca\nb\n n - -
784 'ab\z'm ca\nb\n n - -
786 'ab\Z'm b\nca\n n - -
787 'ab\z'm b\nca\n n - -
795 abb\Z b\nabb\n y $-[0] 2
797 abb$ b\nabb\n y $-[0] 2
798 abb\Z b\nabb y $-[0] 2
799 abb\z b\nabb y $-[0] 2
800 abb$ b\nabb y $-[0] 2
801 'abb\Z'm abb\nb\n n - -
802 'abb\z'm abb\nb\n n - -
803 'abb$'m abb\nb\n y $-[0] 0
804 'abb\Z'm b\nabb\n y $-[0] 2
805 'abb\z'm b\nabb\n n - -
806 'abb$'m b\nabb\n y $-[0] 2
807 'abb\Z'm b\nabb y $-[0] 2
808 'abb\z'm b\nabb y $-[0] 2
809 'abb$'m b\nabb y $-[0] 2
819 'abb\Z'm ac\nb\n n - -
820 'abb\z'm ac\nb\n n - -
821 'abb$'m ac\nb\n n - -
822 'abb\Z'm b\nac\n n - -
823 'abb\z'm b\nac\n n - -
824 'abb$'m b\nac\n n - -
837 'abb\Z'm ca\nb\n n - -
838 'abb\z'm ca\nb\n n - -
839 'abb$'m ca\nb\n n - -
840 'abb\Z'm b\nca\n n - -
841 'abb\z'm b\nca\n n - -
842 'abb$'m b\nca\n n - -
847 a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz x n - -
848 a(?{$a=2;$b=3;($b)=$a})b yabz y $b 2
849 round\(((?>[^()]+))\) _I(round(xs * sz),1) y $1 xs * sz
850 '((?x:.) )' x y $1- x -
851 '((?-x:.) )'x x y $1- x-
852 foo.bart foo.bart y - -
853 '^d[x][x][x]'m abcd\ndxxx y - -
854 .X(.+)+X bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
855 .X(.+)+XX bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
856 .XX(.+)+X bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
857 .X(.+)+X bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
858 .X(.+)+XX bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
859 .XX(.+)+X bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
860 .X(.+)+[X] bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
861 .X(.+)+[X][X] bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
862 .XX(.+)+[X] bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
863 .X(.+)+[X] bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
864 .X(.+)+[X][X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
865 .XX(.+)+[X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
866 .[X](.+)+[X] bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
867 .[X](.+)+[X][X] bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
868 .[X][X](.+)+[X] bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
869 .[X](.+)+[X] bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
870 .[X](.+)+[X][X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
871 .[X][X](.+)+[X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
873 ([a-\d]+) za-9z y $1 a-9
874 ([\d-z]+) a0-za y $1 0-z
875 ([\d-\s]+) a0- z y $1 0-
876 ([a-[:digit:]]+) za-9z y $1 a-9
877 ([[:digit:]-z]+) =0-z= y $1 0-z
878 ([[:digit:]-[:alpha:]]+) =0-z= y $1 0-z
880 (\d+\.\d+) 3.1415926 y $1 3.1415926
881 (\ba.{0,10}br) have a web browser y $1 a web br
882 '\.c(pp|xx|c)?$'i Changes n - -
883 '\.c(pp|xx|c)?$'i IO.c y - -
884 '(\.c(pp|xx|c)?$)'i IO.c y $1 .c
886 '^\S\s+aa$'m \nx aa y - -
888 ^([ab]*?)(b)?(c)$ abac y -$2- --
889 (\w)?(abc)\1b abcab n - -
890 ^(?:.,){2}c a,b,c y - -
891 ^(.,){2}c a,b,c y $1 b,
892 ^(?:[^,]*,){2}c a,b,c y - -
893 ^([^,]*,){2}c a,b,c y $1 b,
894 ^([^,]*,){3}d aaa,b,c,d y $1 c,
895 ^([^,]*,){3,}d aaa,b,c,d y $1 c,
896 ^([^,]*,){0,3}d aaa,b,c,d y $1 c,
897 ^([^,]{1,3},){3}d aaa,b,c,d y $1 c,
898 ^([^,]{1,3},){3,}d aaa,b,c,d y $1 c,
899 ^([^,]{1,3},){0,3}d aaa,b,c,d y $1 c,
900 ^([^,]{1,},){3}d aaa,b,c,d y $1 c,
901 ^([^,]{1,},){3,}d aaa,b,c,d y $1 c,
902 ^([^,]{1,},){0,3}d aaa,b,c,d y $1 c,
903 ^([^,]{0,3},){3}d aaa,b,c,d y $1 c,
904 ^([^,]{0,3},){3,}d aaa,b,c,d y $1 c,
905 ^([^,]{0,3},){0,3}d aaa,b,c,d y $1 c,
907 '(?!\A)x'm a\nxb\n y - -
908 ^(a(b)?)+$ aba y -$1-$2- -a--
909 ^(aa(bb)?)+$ aabbaa y -$1-$2- -aa--
910 '^.{9}abc.*\n'm 123\nabcabcabcabc\n y - -
912 ^(a)?(?(1)a|b)+$ a n - -
913 ^(a\1?)(a\1?)(a\2?)(a\3?)$ aaaaaa y $1,$2,$3,$4 a,aa,a,aa
914 ^(a\1?){4}$ aaaaaa y $1 aa
915 ^(0+)?(?:x(1))? x1 y - -
916 ^([0-9a-fA-F]+)(?:x([0-9a-fA-F]+)?)(?:x([0-9a-fA-F]+))? 012cxx0190 y - -
917 ^(b+?|a){1,2}c bbbac y $1 a
918 ^(b+?|a){1,2}c bbbbac y $1 a
919 \((\w\. \w+)\) cd. (A. Tw) y -$1- -A. Tw-
920 ((?:aaaa|bbbb)cccc)? aaaacccc y - -
921 ((?:aaaa|bbbb)cccc)? bbbbcccc y - -
922 (a)?(a)+ a y $1:$2 :a -
923 (ab)?(ab)+ ab y $1:$2 :ab -
924 (abc)?(abc)+ abc y $1:$2 :abc -
927 ^(a(??{"(?!)"})|(a)(?{1}))b ab y $2 a # [ID 20010811.006]
928 ab(?i)cd AbCd n - - # [ID 20010809.023]
930 (A|B)*(?(1)(CD)|(CD)) CD y $2-$3 -CD
931 (A|B)*(?(1)(CD)|(CD)) ABCD y $2-$3 CD-
932 (A|B)*?(?(1)(CD)|(CD)) CD y $2-$3 -CD # [ID 20010803.016]
933 (A|B)*?(?(1)(CD)|(CD)) ABCD y $2-$3 CD-
934 '^(o)(?!.*\1)'i Oo n - -
935 (.*)\d+\1 abc12bc y $1 bc
936 (?m:(foo\s*$)) foo\n bar y $1 foo
938 (.*)(?=c) abcd y $1 ab
939 (.*)(?=c)c abcd yB $1 ab
940 (.*)(?=b|c) abcd y $1 ab
941 (.*)(?=b|c)c abcd y $1 ab
942 (.*)(?=c|b) abcd y $1 ab
943 (.*)(?=c|b)c abcd y $1 ab
944 (.*)(?=[bc]) abcd y $1 ab
945 (.*)(?=[bc])c abcd yB $1 ab
946 (.*)(?<=b) abcd y $1 ab
947 (.*)(?<=b)c abcd y $1 ab
948 (.*)(?<=b|c) abcd y $1 abc
949 (.*)(?<=b|c)c abcd y $1 ab
950 (.*)(?<=c|b) abcd y $1 abc
951 (.*)(?<=c|b)c abcd y $1 ab
952 (.*)(?<=[bc]) abcd y $1 abc
953 (.*)(?<=[bc])c abcd y $1 ab
955 (.*?)(?=c) abcd y $1 ab
956 (.*?)(?=c)c abcd yB $1 ab
957 (.*?)(?=b|c) abcd y $1 a
958 (.*?)(?=b|c)c abcd y $1 ab
959 (.*?)(?=c|b) abcd y $1 a
960 (.*?)(?=c|b)c abcd y $1 ab
961 (.*?)(?=[bc]) abcd y $1 a
962 (.*?)(?=[bc])c abcd yB $1 ab
963 (.*?)(?<=b) abcd y $1 ab
964 (.*?)(?<=b)c abcd y $1 ab
965 (.*?)(?<=b|c) abcd y $1 ab
966 (.*?)(?<=b|c)c abcd y $1 ab
967 (.*?)(?<=c|b) abcd y $1 ab
968 (.*?)(?<=c|b)c abcd y $1 ab
969 (.*?)(?<=[bc]) abcd y $1 ab
970 (.*?)(?<=[bc])c abcd y $1 ab
973 a(b)?? abc y <$1> <> # undef [perl #16773]
974 (\d{1,3}\.){3,} 128.134.142.8 y <$1> <142.> # [perl #18019]
975 ^.{3,4}(.+)\1\z foobarbar y $1 bar # 16 tests for [perl #23171]
976 ^(?:f|o|b){3,4}(.+)\1\z foobarbar y $1 bar
977 ^.{3,4}((?:b|a|r)+)\1\z foobarbar y $1 bar
978 ^(?:f|o|b){3,4}((?:b|a|r)+)\1\z foobarbar y $1 bar
979 ^.{3,4}(.+?)\1\z foobarbar y $1 bar
980 ^(?:f|o|b){3,4}(.+?)\1\z foobarbar y $1 bar
981 ^.{3,4}((?:b|a|r)+?)\1\z foobarbar y $1 bar
982 ^(?:f|o|b){3,4}((?:b|a|r)+?)\1\z foobarbar y $1 bar
983 ^.{2,3}?(.+)\1\z foobarbar y $1 bar
984 ^(?:f|o|b){2,3}?(.+)\1\z foobarbar y $1 bar
985 ^.{2,3}?((?:b|a|r)+)\1\z foobarbar y $1 bar
986 ^(?:f|o|b){2,3}?((?:b|a|r)+)\1\z foobarbar y $1 bar
987 ^.{2,3}?(.+?)\1\z foobarbar y $1 bar
988 ^(?:f|o|b){2,3}?(.+?)\1\z foobarbar y $1 bar
989 ^.{2,3}?((?:b|a|r)+?)\1\z foobarbar y $1 bar
990 ^(?:f|o|b){2,3}?((?:b|a|r)+?)\1\z foobarbar y $1 bar
991 .*a(?!(b|cd)*e).*f ......abef n - - # [perl #23030]
992 x(?# x c - Sequence (?#... not terminated
993 :x(?#: x c - Sequence (?#... not terminated
994 (WORDS|WORD)S WORDS y $1 WORD
995 (X.|WORDS|X.|WORD)S WORDS y $1 WORD
996 (WORDS|WORLD|WORD)S WORDS y $1 WORD
997 (X.|WORDS|WORD|Y.)S WORDS y $1 WORD
998 (foo|fool|x.|money|parted)$ fool y $1 fool
999 (x.|foo|fool|x.|money|parted|y.)$ fool y $1 fool
1000 (foo|fool|money|parted)$ fool y $1 fool
1001 (foo|fool|x.|money|parted)$ fools n - -
1002 (x.|foo|fool|x.|money|parted|y.)$ fools n - -
1003 (foo|fool|money|parted)$ fools n - -
1004 (a|aa|aaa||aaaa|aaaaa|aaaaaa)(b|c) aaaaaaaaaaaaaaab y $1$2 aaaaaab
1005 (a|aa|aaa||aaaa|aaaaa|aaaaaa)(??{$1&&""})(b|c) aaaaaaaaaaaaaaab y $1$2 aaaaaab
1006 (a|aa|aaa|aaaa|aaaaa|aaaaaa)(??{$1&&"foo"})(b|c) aaaaaaaaaaaaaaab n - -
1007 ^(a*?)(?!(aa|aaaa)*$) aaaaaaaaaaaaaaaaaaaa y $1 a # [perl #34195]
1008 ^(a*?)(?!(aa|aaaa)*$)(?=a\z) aaaaaaaa y $1 aaaaaaa
1009 ^(.)\s+.$(?(1)) A B y $1 A # [perl #37688]
1010 (?:r?)*?r|(.{2,4}) abcde y $1 abcd
1011 (?!)+?|(.{2,4}) abcde y $1 abcd
1012 ^(a*?)(?!(a{6}|a{5})*$) aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y $+[1] 12 # super-linear cache bug may return 18
1013 ^((?>(?:aa)?b)?) aab y $1 aab
1014 ^((?:aa)*)(?:X+((?:\d+|-)(?:X+(.+))?))?$ aaaaX5 y $1 aaaa
1015 X(A|B||C|D)Y XXXYYY y $& XY # Trie w/ NOTHING
1016 (?i:X([A]|[B]|y[Y]y|[D]|)Y) XXXYYYB y $& XY # Trie w/ NOTHING
1017 ^([a]{1})*$ aa y $1 a
1018 a(?!b(?!c))(..) abababc y $1 bc # test nested negatives
1019 a(?!b(?=a))(..) abababc y $1 bc # test nested lookaheads
1020 a(?!b(?!c(?!d(?!e))))...(.) abxabcdxabcde y $1 e
1021 X(?!b+(?!(c+)*(?!(c+)*d))).*X aXbbbbbbbcccccccccccccaaaX y - -
1022 ^(XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1023 ^(XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1024 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1025 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1026 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1027 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQX: y $1 ZEQQQX
1028 ^(XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1029 ^(XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1030 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1031 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1032 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1033 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQX: y $1 ZEQQQX
1034 X(?:ABCF[cC]x*|ABCD|ABCF):(?:DIT|DID|DIM) XABCFCxxxxxxxxxx:DIM y $& XABCFCxxxxxxxxxx:DIM
1035 (((ABCD|ABCE|ABCF)))(A|B|C[xy]*): ABCFCxxxxxxxxxx:DIM y $& ABCFCxxxxxxxxxx:
1037 (?=foo) XfooY y pos 1
1038 .*(?=foo) XfooY y pos 1
1039 (?<=foo) foo y pos 3
1040 (?<=foo) XfooY y pos 4
1041 .*(?<=foo) foo y pos 3
1042 .*(?<=foo) XfooY y pos 4
1043 (?<=foo)Y XfooY y pos 5
1044 o(?<=foo)Y ..XfooY.. y pos 7
1045 X(?=foo)f ..XfooY.. y pos 4
1046 X(?=foo) ..XfooY.. y pos 3
1047 X(?<=foo.)[YZ] ..XfooXY.. y pos 8
1048 (?=XY*foo) Xfoo y pos 0
1049 ^(?=XY*foo) Xfoo y pos 0
1050 ^(??{"a+"})a aa y $& aa
1051 ^(?:(??{"a+"})|b)a aa y $& aa
1052 ^(??{chr 0x100}).$ \x{100}\x{100} y $& \x{100}\x{100}
1053 ^(??{q(\x{100})}). \x{100}\x{100} y $& \x{100}\x{100}
1054 ^(??{q(.+)})\x{100} \x{100}\x{100} y $& \x{100}\x{100}
1055 ^(??{q(.)})\x{100} \x{100}\x{100} y $& \x{100}\x{100}
1056 ^(??{chr 0x100})\xbb \x{100}\x{bb} y $& \x{100}\x{bb}
1057 ^(.)(??{"(.)(.)"})(.)$ abcd y $1-$2 a-d
1058 ^(.)(??{"(bz+|.)(.)"})(.)$ abcd y $1-$2 a-d
1059 ^(.)((??{"(.)(cz+)"})|.) abcd y $1-$2 a-b
1060 ^a(?>(??{q(b)}))(??{q(c)})d abcd y - -
1061 ^x(??{""})+$ x y $& x
1062 ^(<(?:[^<>]+|(?3)|(?1))*>)()(!>!>!>)$ <<!>!>!>><>>!>!>!> y $1 <<!>!>!>><>>
1063 ^(<(?:[^<>]+|(?1))*>)$ <<><<<><>>>> y $1 <<><<<><>>>>
1064 ((?2)*)([fF]o+) fooFoFoo y $1-$2 fooFo-Foo
1065 (<(?:[^<>]+|(?R))*>) <<><<<><>>>> y $1 <<><<<><>>>>
1066 (?<n>foo|bar|baz) snofooewa y $1 foo
1067 (?<n>foo|bar|baz) snofooewa y $+{n} foo
1068 (?<n>foo|bar|baz)(?<m>[ew]+) snofooewa y $+{n} foo
1069 (?<n>foo|bar|baz)(?<m>[ew]+) snofooewa y $+{m} ew
1070 (?<n>foo)|(?<n>bar)|(?<n>baz) snofooewa y $+{n} foo
1071 (?<n>foo)(??{ $+{n} }) snofooefoofoowaa y $+{n} foo
1072 (?P<n>foo|bar|baz) snofooewa y $1 foo
1073 (?P<n>foo|bar|baz) snofooewa y $+{n} foo
1074 (?P<n>foo|bar|baz)(?P<m>[ew]+) snofooewa y $+{n} foo
1075 (?P<n>foo|bar|baz)(?P<m>[ew]+) snofooewa y $+{m} ew
1076 (?P<n>foo)|(?P<n>bar)|(?P<n>baz) snofooewa y $+{n} foo
1077 (?P<n>foo)(??{ $+{n} }) snofooefoofoowaa y $+{n} foo
1078 (?P<=n>foo|bar|baz) snofooewa c - Sequence (?P<=...) not recognized
1079 (?P<!n>foo|bar|baz) snofooewa c - Sequence (?P<!...) not recognized
1080 (?PX<n>foo|bar|baz) snofooewa c - Sequence (?PX<...) not recognized
1081 /(?'n'foo|bar|baz)/ snofooewa y $1 foo
1082 /(?'n'foo|bar|baz)/ snofooewa y $+{n} foo
1083 /(?'n'foo|bar|baz)(?'m'[ew]+)/ snofooewa y $+{n} foo
1084 /(?'n'foo|bar|baz)(?'m'[ew]+)/ snofooewa y $+{m} ew
1085 /(?'n'foo)|(?'n'bar)|(?<n>baz)/ snobazewa y $+{n} baz
1086 /(?'n'foo)(??{ $+{n} })/ snofooefoofoowaa y $+{n} foo
1087 /(?'n'foo)\k<n>/ ..foofoo.. y $1 foo
1088 /(?'n'foo)\k<n>/ ..foofoo.. y $+{n} foo
1089 /(?<n>foo)\k'n'/ ..foofoo.. y $1 foo
1090 /(?<n>foo)\k'n'/ ..foofoo.. y $+{n} foo
1091 /(?:(?<n>foo)|(?<n>bar))\k<n>/ ..barbar.. y $+{n} bar
1092 /^(?'main'<(?:[^<>]+|(?&crap)|(?&main))*>)(?'empty')(?'crap'!>!>!>)$/ <<!>!>!>><>>!>!>!> y $+{main} <<!>!>!>><>>
1093 /^(?'main'<(?:[^<>]+|(?&main))*>)$/ <<><<<><>>>> y $1 <<><<<><>>>>
1094 /(?'first'(?&second)*)(?'second'[fF]o+)/ fooFoFoo y $+{first}-$+{second} fooFo-Foo
1095 (?<A>foo)?(?(<A>)bar|nada) foobar y $+{A} foo
1096 (?<A>foo)?(?(<A>)bar|nada) foo-barnada y $& nada
1097 (?<A>foo)?(?(1)bar|nada) foo-barnada y $& nada
1098 (?<A>foo(?(R)bar))?(?1) foofoobar y $1 foo
1099 (?<A>foo(?(R)bar))?(?1) foofoobar y $& foofoobar
1100 (x)(?<A>foo(?(R&A)bar))?(?&A) xfoofoobar y $2 foo
1101 (x)(?<A>foo(?(R&A)bar))?(?&A) xfoofoobar y $& xfoofoobar
1102 (x)(?<A>foo(?(R2)bar))?(?&A) xfoofoobar y $2 foo
1103 (x)(?<A>foo(?(R2)bar))?(?&A) xfoofoobar y $& xfoofoobar
1104 (?1)(?(DEFINE)(blah)) blah y $& blah
1105 /^(?<PAL>(?<CHAR>.)((?&PAL)|.?)\k<CHAR>)$/ madamimadam y $& madamimadam
1106 /^(?<PAL>(?<CHAR>.)((?&PAL)|.?)\k<CHAR>)$/ madamiamadam n - -
1107 /(a)?((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1108 /(a)*((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1109 /(a)+((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1110 /(a){1,100}((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1111 /(a){0,100}((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1112 /(ab)?((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1113 /(ab)*((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1114 /(ab)+((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1115 /(ab){1,100}((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1116 /(ab){0,100}((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1117 # possessive captures
1120 a{1,5}+a aaaaa n - -
1122 a++b aaaaab y $& aaaaab
1123 a*+b aaaaab y $& aaaaab
1124 a{1,5}+b aaaaab y $& aaaaab
1126 fooa++a fooaaaaa n - -
1127 fooa*+a fooaaaaa n - -
1128 fooa{1,5}+a fooaaaaa n - -
1130 fooa++b fooaaaaab y $& fooaaaaab
1131 fooa*+b fooaaaaab y $& fooaaaaab
1132 fooa{1,5}+b fooaaaaab y $& fooaaaaab
1133 fooa?+b fooab y $& fooab
1134 (?:aA)++(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1135 (aA)++(aA) aAaAaAaAaA n - aAaAaAaAaA
1136 (aA|bB)++(aA|bB) aAaAbBaAbB n - aAaAbBaAbB
1137 (?:aA|bB)++(?:aA|bB) aAbBbBbBaA n - aAbBbBbBaA
1138 (?:aA)*+(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1139 (aA)*+(aA) aAaAaAaAaA n - aAaAaAaAaA
1140 (aA|bB)*+(aA|bB) aAaAbBaAaA n - aAaAbBaAaA
1141 (?:aA|bB)*+(?:aA|bB) aAaAaAbBaA n - aAaAaAbBaA
1142 (?:aA){1,5}+(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1143 (aA){1,5}+(aA) aAaAaAaAaA n - aAaAaAaAaA
1144 (aA|bB){1,5}+(aA|bB) aAaAbBaAaA n - aAaAbBaAaA
1145 (?:aA|bB){1,5}+(?:aA|bB) bBbBbBbBbB n - bBbBbBbBbB
1146 (?:aA)?+(?:aA) aAb n - aAb
1147 (aA)?+(aA) aAb n - aAb
1148 (aA|bB)?+(aA|bB) bBb n - bBb
1149 (?:aA|bB)?+(?:aA|bB) aAb n - aAb
1150 (?:aA)++b aAaAaAaAaAb y $& aAaAaAaAaAb
1151 (aA)++b aAaAaAaAaAb y $& aAaAaAaAaAb
1152 (aA|bB)++b aAbBaAaAbBb y $& aAbBaAaAbBb
1153 (?:aA|bB)++b aAbBbBaAaAb y $& aAbBbBaAaAb
1154 (?:aA)*+b aAaAaAaAaAb y $& aAaAaAaAaAb
1155 (aA)*+b aAaAaAaAaAb y $& aAaAaAaAaAb
1156 (aA|bB)*+b bBbBbBbBbBb y $& bBbBbBbBbBb
1157 (?:aA|bB)*+b bBaAbBbBaAb y $& bBaAbBbBaAb
1158 (?:aA){1,5}+b aAaAaAaAaAb y $& aAaAaAaAaAb
1159 (aA){1,5}+b aAaAaAaAaAb y $& aAaAaAaAaAb
1160 (aA|bB){1,5}+b bBaAbBaAbBb y $& bBaAbBaAbBb
1161 (?:aA|bB){1,5}+b aAbBaAbBbBb y $& aAbBaAbBbBb
1162 (?:aA)?+b aAb y $& aAb
1163 (aA)?+b aAb y $& aAb
1164 (aA|bB)?+b bBb y $& bBb
1165 (?:aA|bB)?+b bBb y $& bBb
1166 foo(?:aA)++(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1167 foo(aA)++(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1168 foo(aA|bB)++(aA|bB) foobBbBbBaAaA n - foobBbBbBaAaA
1169 foo(?:aA|bB)++(?:aA|bB) fooaAaAaAaAaA n - fooaAaAaAaAaA
1170 foo(?:aA)*+(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1171 foo(aA)*+(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1172 foo(aA|bB)*+(aA|bB) foobBaAbBaAaA n - foobBaAbBaAaA
1173 foo(?:aA|bB)*+(?:aA|bB) fooaAaAbBbBaA n - fooaAaAbBbBaA
1174 foo(?:aA){1,5}+(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1175 foo(aA){1,5}+(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1176 foo(aA|bB){1,5}+(aA|bB) fooaAbBbBaAaA n - fooaAbBbBaAaA
1177 foo(?:aA|bB){1,5}+(?:aA|bB) fooaAbBbBaAbB n - fooaAbBbBaAbB
1178 foo(?:aA)?+(?:aA) fooaAb n - fooaAb
1179 foo(aA)?+(aA) fooaAb n - fooaAb
1180 foo(aA|bB)?+(aA|bB) foobBb n - foobBb
1181 foo(?:aA|bB)?+(?:aA|bB) fooaAb n - fooaAb
1182 foo(?:aA)++b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1183 foo(aA)++b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1184 foo(aA|bB)++b foobBaAbBaAbBb y $& foobBaAbBaAbBb
1185 foo(?:aA|bB)++b fooaAaAbBaAaAb y $& fooaAaAbBaAaAb
1186 foo(?:aA)*+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1187 foo(aA)*+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1188 foo(aA|bB)*+b foobBbBaAaAaAb y $& foobBbBaAaAaAb
1189 foo(?:aA|bB)*+b foobBaAaAbBaAb y $& foobBaAaAbBaAb
1190 foo(?:aA){1,5}+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1191 foo(aA){1,5}+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1192 foo(aA|bB){1,5}+b foobBaAaAaAaAb y $& foobBaAaAaAaAb
1193 foo(?:aA|bB){1,5}+b fooaAbBaAbBbBb y $& fooaAbBaAbBbBb
1194 foo(?:aA)?+b fooaAb y $& fooaAb
1195 foo(aA)?+b fooaAb y $& fooaAb
1196 foo(aA|bB)?+b foobBb y $& foobBb
1197 foo(?:aA|bB)?+b foobBb y $& foobBb
1199 ([^()]++|\([^()]*\))+ ((abc(ade)ufh()()x y $& abc(ade)ufh()()x
1200 round\(([^()]++)\) _I(round(xs * sz),1) y $1 xs * sz
1202 (foo[1x]|bar[2x]|baz[3x])+y foo1bar2baz3y y $1 baz3
1203 (foo[1x]|bar[2x]|baz[3x])+y foo1bar2baz3y y $& foo1bar2baz3y
1204 (foo[1x]|bar[2x]|baz[3x])*y foo1bar2baz3y y $1 baz3
1205 (foo[1x]|bar[2x]|baz[3x])*y foo1bar2baz3y y $& foo1bar2baz3y
1207 ([yX].|WORDS|[yX].|WORD)S WORDS y $1 WORD
1208 (WORDS|WORLD|WORD)S WORDS y $1 WORD
1209 ([yX].|WORDS|WORD|[xY].)S WORDS y $1 WORD
1210 (foo|fool|[zx].|money|parted)$ fool y $1 fool
1211 ([zx].|foo|fool|[zq].|money|parted|[yx].)$ fool y $1 fool
1212 (foo|fool|[zx].|money|parted)$ fools n - -
1213 ([zx].|foo|fool|[qx].|money|parted|[py].)$ fools n - -
1215 ([yX].|WORDS|[yX].|WORD)+S WORDS y $1 WORD
1216 (WORDS|WORLD|WORD)+S WORDS y $1 WORD
1217 ([yX].|WORDS|WORD|[xY].)+S WORDS y $1 WORD
1218 (foo|fool|[zx].|money|parted)+$ fool y $1 fool
1219 ([zx].|foo|fool|[zq].|money|parted|[yx].)+$ fool y $1 fool
1220 (foo|fool|[zx].|money|parted)+$ fools n - -
1221 ([zx].|foo|fool|[qx].|money|parted|[py].)+$ fools n - -
1223 (x|y|z[QW])+(longish|loquatious|excessive|overblown[QW])+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1224 (x|y|z[QW])*(longish|loquatious|excessive|overblown[QW])* xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1225 (x|y|z[QW]){1,5}(longish|loquatious|excessive|overblown[QW]){1,5} xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1227 (x|y|z[QW])++(longish|loquatious|excessive|overblown[QW])++ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1228 (x|y|z[QW])*+(longish|loquatious|excessive|overblown[QW])*+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1229 (x|y|z[QW]){1,5}+(longish|loquatious|excessive|overblown[QW]){1,5}+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1232 a*(*FAIL) aaaab n - -
1235 (A(A|B(*ACCEPT)|C)D)(E) AB y $1 AB
1236 (A(A|B(*ACCEPT)|C)D)(E) ACDE y $1$2$3 ACDCE
1238 (a)(?:(?-1)|(?+1))(b) aab y $&-$1-$2 aab-a-b
1239 (a)(?:(?-1)|(?+1))(b) abb y $1-$2 a-b
1240 (a)(?:(?-1)|(?+1))(b) acb n - -
1242 (foo)(\g-2) foofoo y $1-$2 foo-foo
1243 (foo)(\g-2)(foo)(\g-2) foofoofoofoo y $1-$2-$3-$4 foo-foo-foo-foo
1244 (([abc]+) \g-1)(([abc]+) \g{-1}) abc abccba cba y $2-$4 abc-cba
1245 (a)(b)(c)\g1\g2\g3 abcabc y $1$2$3 abc
1247 # \k<n> preceded by a literal
1248 /(?'n'foo) \k<n>/ ..foo foo.. y $1 foo
1249 /(?'n'foo) \k<n>/ ..foo foo.. y $+{n} foo
1250 /(?<n>foo) \k'n'/ ..foo foo.. y $1 foo
1251 /(?<n>foo) \k'n'/ ..foo foo.. y $+{n} foo
1252 /(?'a1'foo) \k'a1'/ ..foo foo.. y $+{a1} foo
1253 /(?<a1>foo) \k<a1>/ ..foo foo.. y $+{a1} foo
1254 /(?'_'foo) \k'_'/ ..foo foo.. y $+{_} foo
1255 /(?<_>foo) \k<_>/ ..foo foo.. y $+{_} foo
1256 /(?'_0_'foo) \k'_0_'/ ..foo foo.. y $+{_0_} foo
1257 /(?<_0_>foo) \k<_0_>/ ..foo foo.. y $+{_0_} foo
1258 /(?'0'foo) bar/ ..foo bar.. c - Sequence (?'
1259 /(?<0>foo) bar/ ..foo bar.. c - Sequence (?<
1260 /(?'12'foo) bar/ ..foo bar.. c - Sequence (?'
1261 /(?<12>foo) bar/ ..foo bar.. c - Sequence (?<
1262 /(?'1a'foo) bar/ ..foo bar.. c - Sequence (?'
1263 /(?<1a>foo) bar/ ..foo bar.. c - Sequence (?<
1264 /(?''foo) bar/ ..foo bar.. c - Sequence (?''
1265 /(?<>foo) bar/ ..foo bar.. c - Sequence (?<>
1266 /foo \k'n'/ foo foo c - Reference to nonexistent named group
1267 /foo \k<n>/ foo foo c - Reference to nonexistent named group
1268 /foo \k'a1'/ foo foo c - Reference to nonexistent named group
1269 /foo \k<a1>/ foo foo c - Reference to nonexistent named group
1270 /foo \k'_'/ foo foo c - Reference to nonexistent named group
1271 /foo \k<_>/ foo foo c - Reference to nonexistent named group
1272 /foo \k'_0_'/ foo foo c - Reference to nonexistent named group
1273 /foo \k<_0_>/ foo foo c - Reference to nonexistent named group
1274 /foo \k'0'/ foo foo c - Sequence \\k'
1275 /foo \k<0>/ foo foo c - Sequence \\k<
1276 /foo \k'12'/ foo foo c - Sequence \\k'
1277 /foo \k<12>/ foo foo c - Sequence \\k<
1278 /foo \k'1a'/ foo foo c - Sequence \\k'
1279 /foo \k<1a>/ foo foo c - Sequence \\k<
1280 /foo \k''/ foo foo c - Sequence \\k'
1281 /foo \k<>/ foo foo c - Sequence \\k<
1282 /(?<as>as) (\w+) \k<as> (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1284 # \g{...} with a name as the argument
1285 /(?'n'foo) \g{n}/ ..foo foo.. y $1 foo
1286 /(?'n'foo) \g{n}/ ..foo foo.. y $+{n} foo
1287 /(?<n>foo) \g{n}/ ..foo foo.. y $1 foo
1288 /(?<n>foo) \g{n}/ ..foo foo.. y $+{n} foo
1289 /(?<as>as) (\w+) \g{as} (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1291 # Python style named capture buffer stuff
1292 /(?P<n>foo)(?P=n)/ ..foofoo.. y $1 foo
1293 /(?P<n>foo)(?P=n)/ ..foofoo.. y $+{n} foo
1294 /(?:(?P<n>foo)|(?P<n>bar))(?P=n)/ ..barbar.. y $+{n} bar
1295 /^(?P<PAL>(?P<CHAR>.)((?P>PAL)|.?)(?P=CHAR))$/ madamimadam y $& madamimadam
1296 /^(?P<PAL>(?P<CHAR>.)((?P>PAL)|.?)(?P=CHAR))$/ madamiamadam n - -
1297 /(?P<n>foo) (?P=n)/ ..foo foo.. y $1 foo
1298 /(?P<n>foo) (?P=n)/ ..foo foo.. y $+{n} foo
1299 /(?P<as>as) (\w+) (?P=as) (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1301 #check that non identifiers as names are treated as the appropriate lookaround
1302 (?<=bar>)foo bar>foo y $& foo
1303 (?<!bar>)foo bar>foo n - -
1304 (?<=bar>ABC)foo bar>ABCfoo y $& foo
1305 (?<!bar>ABC)foo bar>ABCfoo n - -
1306 (?<bar>)foo bar>ABCfoo y $& foo
1307 (?<bar>ABC)foo bar>ABCfoo y $& ABCfoo
1309 (?<=abcd(?<=(aaaabcd))) ..aaaabcd.. y $1 aaaabcd
1310 (?=xy(?<=(aaxy))) ..aaxy.. y $1 aaxy
1312 X(\w+)(?=\s)|X(\w+) Xab y [$1-$2] [-ab]
1314 #check that branch reset works ok.
1315 (?|(a)) a y $1-$+-$^N a-a-a
1316 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) d!o!da y $1-$2-$3 !o!-o-a
1317 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) aabc y $1-$2-$3 a--c
1318 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) ixyjp y $1-$2-$3 x-y-p
1319 (?|(?|(a)|(b))|(?|(c)|(d))) a y $1 a
1320 (?|(?|(a)|(b))|(?|(c)|(d))) b y $1 b
1321 (?|(?|(a)|(b))|(?|(c)|(d))) c y $1 c
1322 (?|(?|(a)|(b))|(?|(c)|(d))) d y $1 d
1323 (.)(?|(.)(.)x|(.)d)(.) abcde y $1-$2-$3-$4-$5- b-c--e--
1324 (\N)(?|(\N)(\N)x|(\N)d)(\N) abcde y $1-$2-$3-$4-$5- b-c--e--
1325 (?|(?<foo>x)) x y $+{foo} x
1326 (?|(?<foo>x)|(?<bar>y)) x y $+{foo} x
1327 (?|(?<bar>y)|(?<foo>x)) x y $+{foo} x
1328 (?<bar>)(?|(?<foo>x)) x y $+{foo} x
1331 (?(DEFINE)(?<A>(?&B)+)(?<B>a))(?&A) a y $& a
1332 (?(DEFINE)(?<A>(?&B)+)(?<B>a))(?&A) aa y $& aa
1333 \x{100}?(??{""})xxx xxx y $& xxx
1335 foo(\R)bar foo\r\nbar y $1 \r\n
1336 foo(\R)bar foo\nbar y $1 \n
1337 foo(\R)bar foo\rbar y $1 \r
1339 foo(\R+)bar foo\r\n\x{85}\r\n\nbar y $1 \r\n\x{85}\r\n\n
1340 (\V+)(\R) foo\r\n\x{85}\r\n\nbar y $1-$2 foo-\r\n
1341 (\R+)(\V) foo\r\n\x{85}\r\n\nbar y $1-$2 \r\n\x{85}\r\n\n-b
1342 foo(\R)bar foo\x{85}bar y $1 \x{85}
1343 (\V)(\R) foo\x{85}bar y $1-$2 o-\x{85}
1344 (\R)(\V) foo\x{85}bar y $1-$2 \x{85}-b
1345 foo(\R)bar foo\r\nbar y $1 \r\n
1346 (\V)(\R) foo\r\nbar y $1-$2 o-\r\n
1347 (\R)(\V) foo\r\nbar y $1-$2 \r\n-b
1348 foo(\R)bar foo\r\nbar y $1 \r\n
1349 (\V)(\R) foo\r\nbar y $1-$2 o-\r\n
1350 (\R)(\V) foo\r\nbar y $1-$2 \r\n-b
1351 foo(\R)bar foo\rbar y $1 \r
1352 (\V)(\R) foo\rbar y $1-$2 o-\r
1353 (\R)(\V) foo\rbar y $1-$2 \r-b
1355 foo(\v+)bar foo\r\n\x{85}\r\n\nbar y $1 \r\n\x{85}\r\n\n
1356 (\V+)(\v) foo\r\n\x{85}\r\n\nbar y $1-$2 foo-\r
1357 (\v+)(\V) foo\r\n\x{85}\r\n\nbar y $1-$2 \r\n\x{85}\r\n\n-b
1358 foo(\v)bar foo\x{85}bar y $1 \x{85}
1359 (\V)(\v) foo\x{85}bar y $1-$2 o-\x{85}
1360 (\v)(\V) foo\x{85}bar y $1-$2 \x{85}-b
1361 foo(\v)bar foo\rbar y $1 \r
1362 (\V)(\v) foo\rbar y $1-$2 o-\r
1363 (\v)(\V) foo\rbar y $1-$2 \r-b
1366 foo(\h+)bar foo\t\x{A0}bar y $1 \t\x{A0}
1367 (\H+)(\h) foo\t\x{A0}bar y $1-$2 foo-\t
1368 (\h+)(\H) foo\t\x{A0}bar y $1-$2 \t\x{A0}-b
1369 foo(\h)bar foo\x{A0}bar y $1 \x{A0}
1370 (\H)(\h) foo\x{A0}bar y $1-$2 o-\x{A0}
1371 (\h)(\H) foo\x{A0}bar y $1-$2 \x{A0}-b
1372 foo(\h)bar foo\tbar y $1 \t
1373 (\H)(\h) foo\tbar y $1-$2 o-\t
1374 (\h)(\H) foo\tbar y $1-$2 \t-b
1376 .*\z foo\n y -$&- --
1377 \N*\z foo\n y -$&- --
1378 .*\Z foo\n y -$&- -foo-
1379 \N*\Z foo\n y -$&- -foo-
1380 ^(?:(\d)x)?\d$ 1 y ${\(defined($1)?1:0)} 0
1381 .*?(?:(\w)|(\w))x abx y $1-$2 b-
1383 0{50} 000000000000000000000000000000000000000000000000000 y - -
1384 ^a?(?=b)b ab y $& ab # Bug #56690
1385 ^a*(?=b)b ab y $& ab # Bug #56690
1386 />\d+$ \n/ix >10\n y $& >10
1387 />\d+$ \n/ix >1\n y $& >1
1388 /\d+$ \n/ix >10\n y $& 10
1389 />\d\d$ \n/ix >10\n y $& >10
1390 />\d+$ \n/x >10\n y $& >10
1392 # Two regressions in 5.8.x (only) introduced by change 30638
1393 # Simplification of the test failure in XML::LibXML::Simple:
1394 /^\s*i.*?o\s*$/s io\n io y - -
1395 # As reported in #59168 by Father Chrysostomos:
1396 /(.*?)a(?!(a+)b\2c)/ baaabaac y $&-$1 baa-ba
1397 # [perl #60344] Regex lookbehind failure after an (if)then|else in perl 5.10
1398 /\A(?(?=db2)db2|\D+)(?<!processed)\.csv\z/xms sql_processed.csv n - -
1399 /\N{U+0100}/ \x{100} y $& \x{100} # Bug #59328
1400 /[a\N{U+0100}]/ \x{100} y $& \x{100}
1401 /[a\N{U+0100}]/ a y $& a
1403 # Verify that \N{U+...} forces Unicode semantics
1404 /\N{U+41}\x{c1}/i a\x{e1} y $& a\x{e1}
1405 /[\N{U+41}\x{c1}]/i \x{e1} y $& \x{e1}
1407 [\s][\S] \x{a0}\x{a0} nT - - # Unicode complements should not match same character
1409 # was generating malformed utf8
1410 '[\x{100}\xff]'i \x{ff} y $& \x{ff}
1412 ((??{ "(?:|)" }))\s C\x20 y - -
1414 # Verify that \ escapes the { after \N, and causes \N to match non-newline
1415 abc\N\{U+BEEF} abc\n{UBEEF} n
1416 abc\N\{U+BEEF} abc.{UBEEF} y $& abc.{UBEEF}
1417 [abc\N\{U+BEEF}] - c - \\N in a character class must be a named character
1419 # Verify that \N can be trailing and causes \N to match non-newline
1420 abc\N abcd y $& abcd
1423 # Verify get errors. For these, we need // or else puts it in single quotes,
1424 # and bypasses the lexer.
1425 /\N{U+}/ - c - Invalid hexadecimal number
1426 # Below currently gives a misleading message
1427 /[\N{U+}]/ - c - Unmatched
1428 /abc\N{def/ - c - Missing right brace
1429 /\N{U+4AG3}/ - c - Illegal hexadecimal digit
1430 /[\N{U+4AG3}]/ - c - Illegal hexadecimal digit
1432 # And verify that in single quotes which bypasses the lexer, the regex compiler
1434 \N{U+} - c - Invalid hexadecimal number
1435 [\N{U+}] - c - Invalid hexadecimal number
1436 \N{U+4AG3} - c - Invalid hexadecimal number
1437 [\N{U+4AG3}] - c - Invalid hexadecimal number
1438 abc\N{def - c - \\N{NAME} must be resolved by the lexer
1440 # Verify that under /x that still cant have space before left brace
1441 /abc\N {U+41}/x - c - Missing braces
1442 /abc\N {SPACE}/x - c - Missing braces
1444 # Verifies catches hex errors, and doesn't expose our . notation to the outside
1445 /\N{U+0xBEEF}/ - c - Illegal hexadecimal digit
1446 /\N{U+BEEF.BEAD}/ - c - Illegal hexadecimal digit
1448 # Verify works in single quotish context; regex compiler delivers slightly different msg
1449 # \N{U+BEEF.BEAD} succeeds here, because can't completely hide it from the outside.
1450 \N{U+0xBEEF} - c - Invalid hexadecimal number
1452 # vim: set noexpandtab