idx int64 0 1.68k | query stringlengths 5 18 | tree_length int64 6 14 | depth int64 3 3 | minimized_regex stringlengths 4 15 | minimized_tree_length int64 5 12 | minimized_depth int64 2 6 | equivalent_regex stringlengths 5 19 | not_equivalent_regex stringlengths 5 18 | positive_example stringlengths 0 8 | negative_example stringlengths 0 8 |
|---|---|---|---|---|---|---|---|---|---|---|
400 | (a*+b*)a*cd | 12 | 3 | b*a*cd | 9 | 4 | (b*a*+(aa)*)cd | (a?+d+d)(b?+c*) | cd | aaaacbd |
401 | (b+c+bd)(c*+c+c) | 14 | 3 | (c+bd?)c* | 9 | 4 | (c+bd?)c*+b?c | c(d+d)b*c* | bcccccc | cccccccd |
402 | (a+b)*(ad+b+d) | 12 | 3 | (a+b)*(b+d) | 8 | 3 | (a+b)*(d+b(a?b)?) | (ad)?+(b+d)* | bbbbab | aabbbaba |
403 | c+b*+(b+c)d* | 11 | 3 | (b+c)d*+b* | 9 | 3 | (bbb*+(b+c)d*)? | (b+d*)(c+d+d?) | cddd | bdcdd |
404 | (a+a+b*)(b?+d+d) | 13 | 3 | (a+b*)(b+d)? | 9 | 3 | ab+(a+b*)(b+d)? | (d+ad)(a+b)* | bbbbbbd | bbbbbdbd |
405 | (b+c)d*+d*dd | 13 | 3 | (b+c+dd)d* | 10 | 3 | dd+(b+c+dd)d* | b?*(c*+d?) | cdddddd | bddbd |
406 | (a*+c*)c*(c+c) | 12 | 3 | a*c*c | 7 | 3 | (ccc?+a*c*)c | a*c*+aaac | aaccccc | ca |
407 | (b+d)(b+d)c** | 11 | 3 | (b+d)(b+d)c* | 10 | 3 | (b+d)(b+d)c* | b+b+d+(c+d)* | bbccccc | dcbccc |
408 | (a+d)(c+c)+(b+c)* | 12 | 3 | (a+d)c+(b+c)* | 10 | 3 | (a+d+bc)c+(b+c)* | (a+d+b+c)b** | bbbccbc | ccbbccab |
409 | b*b*c*cd | 12 | 3 | b*c*cd | 9 | 4 | (bb?+b*c*)cd | (b*+b+c)(c+d+d*) | cccccccd | cccccdd |
410 | cb*(a*+a+b) | 11 | 3 | cb*a* | 7 | 3 | c(b*(a+b)a*)? | (a?+b*)(a+a)c* | cbbbbbaa | acbaaaa |
411 | (b+b*)(a+d+b+c) | 12 | 3 | b*(a+b+c+d) | 10 | 4 | b+b*(a+c+d+bb) | (a+a+c*)b*d* | bbbd | bbbbcbba |
412 | b?d*(cd+d+d) | 13 | 3 | b?d*c?d | 10 | 4 | (bd+b?d*)c?d | db*(c*+c?) | bdcd | ddddcdcd |
413 | (a+d)b?b*d? | 12 | 3 | (a+d)b*d? | 9 | 3 | (a+d)(bd+b*d?) | a*a?(a+b)(b+d) | dbbbd | abbdb |
414 | bbd*(c*+d?) | 12 | 3 | bbd*c* | 9 | 3 | bb(dd)*d?c* | b?d*+c*+c* | bbd | bbdccdc |
415 | a*(b+b)b*b* | 12 | 3 | a*b*b | 7 | 3 | (aa?b+a*b*)b | a*b?+b*b? | aaaaaabb | abbba |
416 | (a*+a+c)(cc)* | 11 | 3 | (c+a*)(cc)* | 9 | 3 | (c+a*(cc)*)(cc)* | aac+a*c* | acccccc | aaccccc |
417 | (a*+b*)b*cd | 12 | 3 | a*b*cd | 9 | 4 | a*b*cd | (a*+c+c)b?d? | abbbcd | aaaacb |
418 | (a+c)*+a+d+c+c | 12 | 3 | d+(a+c)* | 6 | 3 | d+(c*a)*(ac+c*) | a*c?d*d* | accaccc | aaadcaa |
419 | (b+d)c*+c*+cd | 13 | 3 | cd+(b+d)?c* | 11 | 4 | c?(c+d)+(b+d)?c* | b*b?(c?+c+d) | dcc | cdd |
420 | (a+b+b)(a+c)b* | 12 | 3 | (a+b)(a+c)b* | 10 | 3 | (bc+(a+b)(a+c))b* | (a*+c?)(bc)* | babbbbbb | babbbbbc |
421 | a*a*(b+d+c*) | 12 | 3 | a*(b+d+c*) | 9 | 3 | ac+a*(b+d+c*) | (b+c?)(a*+d+d) | aaaacc | aaacbc |
422 | (a+c)d*+(b+b)d* | 13 | 3 | (a+b+c)d* | 8 | 3 | (a+b+c+(a+c)d)d* | (a+c)*+b+b+cd | a | cdddadd |
423 | (a*+c+c)(a+a)b* | 13 | 3 | (c+a*)ab* | 9 | 4 | (c+a*)ab*+c?a | a*b*+bc+c+c | aaabbb | acaaaabb |
424 | (a+aa)b*c* | 11 | 3 | aa?b*c* | 10 | 4 | a((a+b)b*)?c* | (a+a)ac+(a+b)* | abb | cbbbccc |
425 | a*(b+d)+d*+dd | 13 | 3 | a*(b+d)+d* | 9 | 3 | b+aa*(b+d)+d* | a*d?+(b+d)d? | aaaaad | ddddadd |
426 | b**d?d? | 9 | 3 | b*(dd?)? | 8 | 4 | b*(dd?)?+(bb)* | b*bbd*d* | bbd | dbbbbbbd |
427 | b*(c+c)+b*+d* | 12 | 3 | b*c?+d* | 8 | 3 | b*c?+(dd)*d? | (bc+c+d)(d+d)* | bbb | bdc |
428 | (a+c+ac)c*d* | 13 | 3 | (a+c)c*d* | 9 | 3 | (cd+(a+c)c*)d* | (a+a+ac)(c+d)* | ccc | ccca |
429 | (ad+c*)(d*+d?) | 12 | 3 | (ad+c*)d* | 9 | 3 | (ad+c*)d*+c?d | (a+a?)c*(c+d) | ccdddd | acc |
430 | a?d*(a+c+c*) | 12 | 3 | a?d*(a+c*) | 10 | 3 | a?(cc+d*(a+c*)) | a*(d+d)+c*(c+d) | adddddcc | dddddada |
431 | (b+d+d?)(c*+c+c) | 13 | 3 | (b+d)?c* | 7 | 3 | (b+d)?c*+(bc)?c | (b+b+c)b*d* | bccccc | dcccccb |
432 | a*b?(c+c+cd) | 13 | 3 | a*b?cd? | 10 | 4 | (b+a*(ab)?)cd? | a*(b+b)c*d? | aaaaaac | aaaacbcd |
433 | c+cd+(a+d)* | 10 | 3 | (c+(a+d)*)d? | 9 | 4 | (c+(a+d(a+d))*)d? | c+a+d+(c+d)* | addddddd | acddaad |
434 | (a?+d*)c?* | 9 | 3 | (a+d*)c* | 7 | 3 | (a+d*)c*+(dd)* | (a+c+c?)(d*+dd) | ddccccc | cdcc |
435 | a?c*+bcc* | 12 | 3 | (a+bc)?c* | 9 | 4 | (a+(a+b)?cc*)? | (b+a*)c** | cccccccc | acccccb |
436 | a+d+d+d+b*c* | 13 | 3 | a+d+b*c* | 9 | 3 | a+d+bc?+b*c* | (a+b)c*+b+d+c* | bc | cccccacc |
437 | (b+c+d)a*a* | 11 | 3 | (b+c+d)a* | 8 | 3 | ca?+(b+c+d)a* | (b+a+a)(c+d)* | b | cba |
438 | (b+c?)(a*+a*) | 10 | 3 | (b+c)?a* | 7 | 3 | ((a+b+c)a*+b?a)? | (a+b+c)b** | caa | babaaaaa |
439 | (a+c)*+c?d? | 10 | 3 | c?(d+(a+c)*) | 9 | 4 | c?(d+cc)?+(a+c)* | (a+c)*(c+d+d*) | accccacc | ccaada |
440 | ad+cc+(c+d)* | 12 | 3 | ad+(c+d)* | 8 | 3 | (a+d)?d+(c+d)* | (c+a+d)(c+c)* | cccddccd | cdccdcda |
441 | (a+a)*+b*c* | 10 | 3 | b*c*+a* | 8 | 3 | cc+b*c*+a* | (c+b*)(a*+a+c) | aaaaaaaa | bccccbcc |
442 | (a+b*)(c+c)* | 9 | 3 | (a+b*)c* | 7 | 3 | bbb*+(a+b*)c* | (a+b+a+c)(b*+b*) | bbbbbc | bbbbcbc |
443 | (b+c)c*(c+c+d?) | 13 | 3 | (b+c)c*d? | 9 | 3 | cc?+(b+c)c*d? | b*b*(c?+dd) | bccd | ccb |
444 | (b*+b*)(c*+d*) | 11 | 3 | b*(c*+d*) | 8 | 3 | bbd+b*(c*+d*) | d+bd+c*d* | bbbddddd | bdbbbcc |
445 | (a+b)d?b*b* | 12 | 3 | (a+b)d?b* | 9 | 3 | b+(a+(a+b)(b+d))b* | (b+a*)(b?+d?) | abbbbbbb | abbbbdbb |
446 | (b*+bc)(c*+c?) | 12 | 3 | b*c* | 5 | 2 | b(b*+c*)+b*c* | (b+b)*c*cc | bbbc | bbcbbbb |
447 | (a+ad)(a+d)* | 10 | 3 | a(a+d)* | 6 | 3 | (ad*)*a(a?d)* | aa*(d*+d+d) | add | ddddaaad |
448 | (a+c+a+d)d** | 11 | 3 | (a+c+d)d* | 8 | 3 | (a+(c+a?d)d*)d? | (ac+c*)(c*+d?) | addddddd | addcdd |
449 | a*b*+b?+b+c | 12 | 3 | c+a*b* | 7 | 3 | c+a*b*+(a+b)?b | (a*+a?)(a+c)(b+c) | a | abbbbba |
450 | (b*+c+d)(b+b)* | 11 | 3 | (c+d)?b* | 7 | 3 | (c+d)b?+(c+d)?b* | b?+b+b+c*d* | cbbbbb | bbbdb |
451 | (b?+b+d)(b?+c*) | 12 | 3 | (b+d)?(b+c*) | 9 | 3 | (b+d)(b+c*)+b?c* | (b+b+c?)(d*+d*) | cccccccc | dbcccc |
452 | (c?+cc)(c+c)d* | 13 | 3 | cc?c?d* | 10 | 4 | c(cd+c?c?)d* | c*d*c?(d+d) | cdd | dcddddd |
453 | a*(a+d)(a+a+d+d) | 14 | 3 | a*(a+d)(a+d) | 10 | 3 | dd+a*(a+d)(a+d) | a*d?(d*+d?) | aaaad | aaaddd |
454 | a*c*+a?+b+d | 12 | 3 | b+d+a*c* | 9 | 3 | b+d+aa+a*c* | (d+b*)(a*+c?) | ccccccc | daaacc |
455 | cd*(a+c+c*) | 11 | 3 | cd*(a+c*) | 9 | 3 | c(dd?+d*(a+c*)) | a+a+c*+c?d* | cdcccc | adc |
456 | b*d*+(b+c)bd | 13 | 3 | cbd+b*d* | 11 | 3 | (d+cb)d+b*d* | (b+d+d*)(c+d)? | bbb | c |
457 | db*(a+b)* | 9 | 3 | d(a+b)* | 6 | 3 | da*(b+(a+b)a)* | a*(b+d)+d*+dd | daaabbb | baaaaa |
458 | cc*a*a? | 10 | 3 | cc*a* | 7 | 3 | c(aaa+c*a*) | (a*+aa)(c+c)* | caaaa | accaa |
459 | (ad+b+c)d** | 11 | 3 | (b+c+ad)d* | 10 | 3 | cd+(b+c+ad)d* | (a+c)d*(b+d)* | bdddd | addddda |
460 | (a?+aa)(c+c)* | 11 | 3 | a?a?c* | 8 | 3 | (a?(cc+(a+c)c*))? | (aa+ac)(a+c)* | ac | caacccc |
461 | a?b*(a?+d+d) | 12 | 3 | a?b*(a+d)? | 10 | 3 | a?b*(a+b+d)+b* | a**(b+d)d* | abd | babbbd |
462 | a*d*(ac+d*) | 12 | 3 | a*d*(ac)? | 10 | 3 | (ad+a*)d*(ac)? | a*?(c+c+d*) | aaaaa | aaaadaca |
463 | (b+b)c*(bc)* | 11 | 3 | bc*(bc)* | 9 | 3 | b((b+c*)c(bc)*)? | b*bb(c*+c?) | bccccc | bcbcbbbc |
464 | b*d*+b+b+bb | 13 | 3 | b*d* | 5 | 2 | b*((b+d?d)d+d*) | b*d?b?d* | bbddd | bbbbdbbd |
465 | (a+d)(b+c)(d*+dd) | 14 | 3 | (a+d)(b+c)d* | 10 | 3 | (ac+(a+d)(b+c))d* | (a+d)b?c*? | ab | babdd |
466 | a*(c+c)(a?+c?) | 12 | 3 | a*c(a+c)? | 9 | 3 | ca+a*c(a+c)? | (a*+c*)a?c* | aaacc | aaacac |
467 | b+bd+(b+c)* | 10 | 3 | bd+(b+c)* | 8 | 3 | b(d+(bb)*)+(b+c)* | (b+b+c+d)(d*+d+d) | cbcbcbb | cbdcccbc |
468 | (a?+d?)b** | 9 | 3 | (a+d)?b* | 7 | 3 | db?+(a+d)?b* | (a?+d*)(b*+d*) | abbb | adbbbb |
469 | (b+d)d?(c*+c+c) | 13 | 3 | (b+d)d?c* | 9 | 3 | (bc+(b+d)d?)c* | (bc)?+(c+d)* | dcccccc | cdccc |
470 | (b*+d*)(c?+d*) | 11 | 3 | (b*+d*)(c+d*) | 10 | 3 | dd+(b*+d*)(c+d*) | (b?+b+d)(b?+c*) | dddc | bddddddb |
471 | b*d*+c+c+dd | 13 | 3 | c+b*d* | 7 | 3 | c+b*(bd+d*)+d* | (b*+b+d)b*(c+d) | bbddd | dbbdd |
472 | (d+d?)(a+b)c* | 11 | 3 | d?(a+b)c* | 9 | 3 | bc?+d?(a+b)c* | (a+a+b+d)(c*+c?) | dac | dbccac |
473 | (b*+b+b)(b+d)(b+d) | 14 | 3 | b*(b+d)(b+d) | 10 | 3 | b*(bd+(b+d)(b+d)) | db*d** | bbbbbbbd | bbbdbbbb |
474 | (c+d?)(a*+a?) | 10 | 3 | (c+d)?a* | 7 | 3 | (c+d)?(a+(aaa*)*) | (a+d)(c+d)d?* | da | daaaada |
475 | (a+d*)(b+c+c?) | 11 | 3 | (a+d*)(b+c)? | 9 | 3 | ac?+(a+d*)(b+c)? | a*c*+a+a+b+d | a | dddddac |
476 | a*c*+b?+c+c | 12 | 3 | b+a*c* | 7 | 3 | b+(a?c+a*)c* | (a+c+c*)(b+c)* | cc | acccccac |
477 | (d+ad)(a+b)* | 10 | 3 | a?d(a+b)* | 9 | 3 | (db+a?d)(a+b)* | abb*b*d* | adabbaaa | dbabdbab |
478 | (a+b)b*(b+b+d+d) | 14 | 3 | (a+b)b*(b+d) | 10 | 3 | (a+b)(d+bb*d?) | (a*+d+d)a?b? | ad | bbdbbbbd |
479 | (a+a+ac)b*d? | 13 | 3 | ac?b*d? | 10 | 4 | a((b+c)b*)?(d+b*) | (a+c+d?)b*? | acbbbbbd | aabbbd |
480 | (a+d+b+b)(b*+b+b) | 14 | 3 | (a+b+d)b* | 8 | 3 | bb+(a+b+d)b* | a*a*(bb+b+d) | db | aabbbbbb |
481 | (a+c+c*)d*d* | 12 | 3 | (a+c*)d* | 7 | 3 | (a+c*)d*+(ccc)* | a*d*+ac+c+c | ccdd | ccdcdd |
482 | (b*+b+c)b*d? | 12 | 3 | c?b*d? | 8 | 3 | c?(d+b*(bd)?) | b*bd+b*+c* | bbb | cdbbbbd |
483 | b*(bd+d*) | 9 | 3 | b*d* | 5 | 2 | b*d*+b?(dd)* | b*(b+d)(b+d)? | bbd | bbddbd |
484 | (c+c*)cd* | 9 | 3 | cc*d* | 7 | 3 | c(c?(c+d)+c*)d* | c*c*d*d? | cccddddd | cdcccd |
485 | (a*+ac)(b?+c?) | 12 | 3 | (ac+a*)(b+c)? | 11 | 3 | (a(c+a*))?(b+c)+a* | a?c*+bcc* | aaabac | |
486 | a?c?+b*c* | 11 | 3 | (a+b*c*)c? | 10 | 4 | (a+b*c*)c?+b* | a**(a+c+b+c) | bbbbbc | bbcbbcc |
487 | bc*(c+b*) | 9 | 3 | bc*b* | 7 | 3 | b((b+c*c)b*)? | b*b*(c*+c?) | bbbbbbbb | bcbccccc |
488 | (a+a*)(a+d+d*) | 11 | 3 | a*d* | 5 | 2 | (aa)*a?(a*+d*) | a*d?(a+a)? | addddd | daaa |
489 | b?d*(b+d+b+d) | 13 | 3 | b?d*(b+d) | 9 | 3 | b?(b+dd*b?) | b*(d+d)(d*+d?) | bdd | bdddddbd |
490 | a*(a+a)(b*+c+c) | 13 | 3 | aa*(c+b*) | 9 | 3 | aa*(c+ac?+b*) | (a+b*)(b*+b+c) | aaabb | acaaaabb |
491 | b+d+c+c+c*d* | 13 | 3 | b+c*d* | 7 | 3 | b+cc+c*d* | d*(b?+c+d) | cccccc | ccdddcd |
492 | (c+c*)(b*+cd) | 11 | 3 | c*(cd+b*) | 9 | 3 | c*(cd+(cb)?b*) | b*(c+d)d** | bbbbbbb | db |
493 | (c+a?)(b+c)* | 9 | 3 | a?(b+c)* | 7 | 3 | b(cc)*+a?(b+c)* | b+a+a+(b+c)* | abccbcbb | aacccbcb |
494 | a*c*+accc | 13 | 3 | a*c* | 5 | 2 | a?(a*c*+a?c?) | (c+c*)(a*+c+c) | acccc | ca |
495 | c+a+a+(b+c)* | 10 | 3 | a+(b+c)* | 6 | 3 | a+c*(b(cb+c*))* | (ac+c*)b** | bbccbcbb | cacccccb |
496 | (a+d)?(c*+c+d) | 11 | 3 | (a+d)?(d+c*) | 9 | 3 | (a+d)(d+c*)+a?c* | (a+a+c+d)(c+c)* | cccccc | acdcc |
497 | (a+d+c?)(c*+c*) | 12 | 3 | (a+d)?c* | 7 | 3 | (a+d+(a+c)c)?c* | a*(a+c)+a?d* | acc | dcac |
498 | a?(a+d)d*d? | 12 | 3 | a?(a+d)d* | 9 | 3 | (d+a?a)d* | a**(d*+d*) | ddddd | aaddadd |
499 | (c+d)*(cd+d+d) | 12 | 3 | (c+d)*d | 6 | 3 | (c+(c*d)*)(d+c*)d | c*d?(c+d+c+d) | dcdcdddd | cddcdc |
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