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 |
|---|---|---|---|---|---|---|---|---|---|---|
1,600 | (a+b)*(bb+c?) | 11 | 3 | (a+b)*c? | 7 | 3 | b*(ab+(a+b)*c?) | a+ac+b*c* | bbbabbbb | abbbbbcc |
1,601 | (bb)*d** | 8 | 3 | (bb)*d* | 7 | 3 | (d+(bb)*)(dd)*d? | b*d*(b+b+bd) | bbbbdd | dbbbd |
1,602 | a*c?(ac+c?) | 12 | 3 | a*((ca?)?c)? | 11 | 6 | a*((c+(a+c)a)?c)? | (a*+a+c)(cc)* | aaaacac | cacc |
1,603 | a?+ad+b*d* | 12 | 3 | (a+b*d*)d? | 10 | 4 | (a+(d+b*)(dd)*)d? | (a*+b+d)(a?+d*) | a | bbbddddb |
1,604 | d+bd+c*d* | 11 | 3 | bd+c*d* | 9 | 3 | (b+c*c)d+c*d* | (b*+c?)c*(d+d) | cccdddd | dcdddd |
1,605 | (ac)*(d*+d*) | 10 | 3 | (ac)*d* | 7 | 3 | (d+(ac)*(dd)*)d? | (a+d)*+ad+cd | ddd | dddda |
1,606 | a?+c?+b*d* | 11 | 3 | a+c+b*d* | 9 | 3 | a+c+b*(dd)*d? | (a*+b+c)a*d? | bbbbbbbd | dddaddd |
1,607 | adb*(bc+c*) | 13 | 3 | adb*c* | 9 | 3 | ad(b*(b+cc*))? | a?c*(bd+c*) | adbbcccc | badb |
1,608 | (b+d)c*d*? | 10 | 3 | (b+d)c*d* | 9 | 3 | dc*+(b+d)c*d* | (bc+d?)(c*+c?) | bcccccd | bccccbcc |
1,609 | a+c+bc+(c+d)* | 12 | 3 | a+bc+(c+d)* | 10 | 3 | a+(b+cd)c+(c+d)* | adb*(bc+c*) | cdccd | dccbdcd |
1,610 | a**(bd+c*) | 10 | 3 | a*(bd+c*) | 9 | 3 | cc?+a*(bd+c*) | (a+c+b+d)d?* | ccc | accd |
1,611 | (a*+a?)(d*+d*) | 11 | 3 | a*d* | 5 | 2 | dd+a*(ad)?d* | (a*+a+d)a?(a+d) | aaadddd | dddddad |
1,612 | (a+c)*+c+d+c+d | 12 | 3 | d+(a+c)* | 6 | 3 | d+a?((c+aa)a?)* | a*(a+c)+d*? | d | accaacd |
1,613 | (a+b)d*+(b+d)* | 11 | 3 | (a+(b+d)*)d* | 9 | 4 | dd?+(a+(b+d)*)d* | (a+b*)(d*+d+d) | bddbdbdd | bbadddbd |
1,614 | (a+a+b?)(b+b+d*) | 13 | 3 | (a+b)?(b+d*) | 9 | 3 | bd+(a+b)?(b+d*) | (d+a+d)a*(a+b) | dddddddd | dddda |
1,615 | (b+c)c*+(b+d)c* | 13 | 3 | (b+c+d)c* | 8 | 3 | b+d+(b+d)?c*c | (c+d*)(b+d)* | cc | bdccc |
1,616 | (b*+d?)(bb+d*) | 12 | 3 | (d+b*)(bb+d*) | 11 | 3 | dbb+b*d* | b*bbd*d? | bbbbbbb | bbbbbdbd |
1,617 | (b+c+b+d)(c+c)* | 12 | 3 | (b+c+d)c* | 8 | 3 | (b+d+(dc)?c)c* | b*+b+d+(c+d)d* | cc | bcdcccc |
1,618 | (b+d+c*)c*c? | 12 | 3 | (b+d)?c* | 7 | 3 | b?cc+(b+d)?c* | b?d*(c?+d?) | bccccdcc | |
1,619 | (aa+c?)(b+b)* | 11 | 3 | (c+aa)?b* | 9 | 4 | c+(aa+c?b)?b* | (c+b?)a*(b+b) | bbbcbbbb | |
1,620 | (a+a+b*)(dd)* | 11 | 3 | (a+b*)(dd)* | 9 | 3 | (a+b*)(dd(dd)*)? | (a+b+ab)b*(b+d) | bbbbbdd | bbdbdd |
1,621 | c**(d+d)* | 8 | 3 | c*d* | 5 | 2 | (c*d?+d*)(dd)* | c*d*(c+c+cc) | ccdddd | dcccccc |
1,622 | (a+c+dd)(d+d)* | 12 | 3 | (a+c+dd)d* | 10 | 3 | ad+(a+c+dd)d* | (a?+d*)(c+d+d*) | addddddd | dddddad |
1,623 | (a+a)*(b+c+cd) | 12 | 3 | a*(b+cd?) | 9 | 4 | a*(b+cd?)+a?c | (a+a+b*)(cd)* | aaaacd | aaaaaa |
1,624 | (a+a+c)(a*+b*) | 11 | 3 | (a+c)(a*+b*) | 9 | 3 | ab+(a+c)(a*+b*) | aa(c+c)+(a+b)* | aaaaaaa | cabaaa |
1,625 | (aa+ac)(a+c)* | 12 | 3 | a(a+c)(a+c)* | 10 | 3 | a(cc+(a+c)*(a+c)) | a*c*+c*+c? | accaacac | ccaacc |
1,626 | aad*(c*+d*) | 12 | 3 | aad*c* | 9 | 3 | aa(d*(d+c*c))? | a*d?(a+c+a+c) | aadcc | aadacc |
1,627 | b?*(c+d)d? | 10 | 3 | b*(c+d)d? | 9 | 3 | b*(c+(c+d)?d) | (b*+c?)(c?+d+d) | bbbbbd | bbbbdbbc |
1,628 | c*(c+d)(c+c+d*) | 13 | 3 | c*(c+d(c+d*)) | 11 | 5 | c*(c+d)(c+d*) | (c*+c*)c?d* | dddddd | ddcdd |
1,629 | c*d*+ccd* | 12 | 3 | c*d* | 5 | 2 | ((cc)*dd+c*)d* | c*d*+c?* | dddddddd | cccddddc |
1,630 | (a+a+ac)(b+d)* | 12 | 3 | ac?(b+d)* | 9 | 3 | a(b?d+c?(b+d)*) | a*(c+d)(a+b+b+b) | adbbdd | abadddbd |
1,631 | d*(b?+c+d) | 9 | 3 | d*(b+c)? | 7 | 3 | d*(b+c)? | (b+b)c?+(c+d)* | ddddd | cddb |
1,632 | (a*+b+b)b*d* | 12 | 3 | a*b*d* | 8 | 3 | a*(bbb+b*d*) | a*+a+d+b*(b+d) | aabbbdd | abbbdad |
1,633 | (a?+d?)(a+a)b* | 12 | 3 | (a+d)?ab* | 9 | 4 | ab+(a+d)?ab* | (a*+b?)(a+d)* | aab | aabbabb |
1,634 | (b?+bc)(c+d)* | 11 | 3 | b?(c+d)* | 7 | 3 | (b+(bd)?d)?(c+d)* | d*(b+c+cd) | dddcddc | ddddbdc |
1,635 | (b+b*)a*c* | 10 | 3 | b*a*c* | 8 | 3 | (a+b)a+b*a*c* | a*(b+c)(c*+cc) | bbbbbbac | acca |
1,636 | a*(a+a)(a+b+d?) | 13 | 3 | aa*(b+d)? | 9 | 3 | a(ad?+a*(b+d)?) | (a?+b+d)d*(d+d) | a | aaaaabab |
1,637 | (a+d)(c+d)(c+c)* | 12 | 3 | (a+d)(c+d)c* | 10 | 3 | (dc+(a+d)(c+d))c* | (a+d)*+c** | dccccc | ddcd |
1,638 | (b+b+b+c)(c*+d*) | 13 | 3 | (b+c)(c*+d*) | 9 | 3 | (b+c)d*+b?c*c | b*c?d?? | cccccc | cccd |
1,639 | (b+b+c)b*d? | 11 | 3 | (b+c)b*d? | 9 | 3 | (b+c)b*d?+c?b | (b+b+d+d)(b+c)c* | bb | bbbbcb |
1,640 | (a*+a+c)(bc)* | 11 | 3 | (c+a*)(bc)* | 9 | 3 | (c+a*+(bc)*)(bc)* | (a+a*)(a+b)c? | aaaa | abcbcbcb |
1,641 | a?(a+d)+b*d? | 12 | 3 | aa+(a+b*)d? | 11 | 4 | aa?+(a+b*)d? | (a*+a?)(a+d)b? | bd | bbbabb |
1,642 | (a*+d*)a?* | 9 | 3 | d*a* | 5 | 2 | d*(dd(aa)?+a*) | (a*+ad)(a+d+d*) | ddddddaa | dddaada |
1,643 | (d+d*)a*(a+b) | 11 | 3 | d*a*(a+b) | 9 | 3 | ab?+d*a*(a+b) | (a+a)(d+d)+(a+b)* | dda | ddddaaba |
1,644 | (b+c?)(a+a+b*) | 11 | 3 | (b+c)?(a+b*) | 9 | 3 | a+(b+c)(a+b*)+b* | a*c?b** | cbbbbbb | bba |
1,645 | (aa+b*)(c*+cc) | 13 | 3 | (aa+b*)c* | 9 | 3 | bc?+(aa+b*)c* | (a*+aa)(a+c+b+b) | aacc | baacc |
1,646 | a*?(b*+c*) | 9 | 3 | a*(b*+c*) | 8 | 3 | a*(ac+b*+c*) | a*(b+c)+b*+b* | aaccc | ccacc |
1,647 | a*?(b+b+c?) | 10 | 3 | a*(b+c)? | 7 | 3 | (ab+a*(a+b+c))? | (a*+b+b)(b?+c+c) | ab | aaaacaac |
1,648 | b*+c?+b?d* | 11 | 3 | c+b?d*+b* | 10 | 4 | c+dd+b?d*+b* | (bc+c+d)d*d* | bd | bcb |
1,649 | (a*+ab)(a*+a+c) | 13 | 3 | (ab+a*)(c+a*) | 11 | 3 | ab(c+a*)+a*c? | ab+c+c+(b+c)* | aaaa | bba |
1,650 | (a?+b*)(a+b)b* | 12 | 3 | (b+(a+b*)a)b* | 11 | 5 | (b+(a+b*)a)b* | (a+b)(a+b)b** | bbbbbb | abbabb |
1,651 | (a+d)*+b?d* | 10 | 3 | (b+(a+d)*)d* | 9 | 4 | (b+((da+d*)a)*)d* | a*a?b?d* | addaadda | aabaada |
1,652 | a?b*+(a+a)* | 10 | 3 | a?b*+a* | 8 | 3 | a?(a*+b*)+b?b? | (a+a*)(b*+b?) | abbbbbb | aaaaaab |
1,653 | (a*+a+b)d*d? | 12 | 3 | (b+a*)d* | 7 | 3 | (b+a*)d*+a?d | a*b*(a?+d+d) | aaaaadd | abaaddd |
1,654 | a*a?(d+d)* | 10 | 3 | a*d* | 5 | 2 | (a+a*(d+aa))?d* | a*+d+d+a?d* | aaaad | ddddddda |
1,655 | (a+b)d*b?* | 10 | 3 | (a+b)d*b* | 9 | 3 | (ad?+(a+b)d*)b* | a*b*(a+a+d?) | bd | ddd |
1,656 | (a*+a+d)(a+b+b*) | 13 | 3 | (d+a*)(a+b*) | 9 | 3 | (a+d)a?+(d+a*)b* | (a+a*)(a+b+b+d) | aabbbbbb | bbbbbbbd |
1,657 | a*c*+b+b+c+c | 13 | 3 | b+a*c* | 7 | 3 | b+(c+a*(cc)*)c? | (a*+a+b)(ac+c?) | aaaac | aaaaccca |
1,658 | b*(c+d)d** | 10 | 3 | b*(c+d)d* | 9 | 3 | cd+b*(c+d)d* | bbc?c*d* | bddddd | bbbbdbc |
1,659 | (a+c)b?(d*+d*) | 12 | 3 | (a+c)b?d* | 9 | 3 | (a+c)b?d* | (b+b+c)a*(b+d) | add | cdcdd |
1,660 | (a+a*)(b*+b?) | 10 | 3 | a*b* | 5 | 2 | a*((ab)?b+b*) | (b+a*)b** | aaaaab | aabab |
1,661 | (a+d+d+d)c*(c+d) | 14 | 3 | (a+d)c*(c+d) | 10 | 3 | (d+(a+dc)c*)(c+d) | (a+c)*(a+c+d*) | acccc | accdcccd |
1,662 | (a+a+b+d)(c*+c?) | 13 | 3 | (a+b+d)c* | 8 | 3 | d+(a+b+dc)c* | (a*+a*)(ab+c+d) | acccc | dcaccc |
1,663 | (b*+b*)(c+d+d?) | 12 | 3 | b*(c+d)? | 7 | 3 | bb?+b*(c+d)? | d+b*+c*(c+d) | bbd | dbbbbc |
1,664 | a*(b?+c*) | 8 | 3 | a*(b+c*) | 7 | 3 | a*(b+(cc)*c?) | (a?+a+b)b*c? | aaaacc | aaaba |
1,665 | b*ddd*d* | 12 | 3 | b*d*dd | 9 | 4 | (b?d+b*)ddd* | (d+bd)* | ddddddd | bddbd |
1,666 | b*c*+c+c+c+d | 13 | 3 | d+b*c* | 7 | 3 | d+(c+b*b)c*+b* | (b+d)*+(c+c)d* | bbbbb | bcbbcc |
1,667 | da*(a*+c*) | 10 | 3 | da*c* | 7 | 3 | d(acc+a*)c* | (a*+c+c)d?* | dccc | dd |
1,668 | a+a+a+c+c*d* | 13 | 3 | a+c*d* | 7 | 3 | a+dd?+c*d* | (a+c+d*)(c*+c+d) | ccc | ccccdc |
1,669 | (a+b*)(c?+d+d) | 11 | 3 | (a+b*)(c+d)? | 9 | 3 | (a+b*)(c+d)?+(bb)* | a+d+cd+(b+d)* | ac | bbbbad |
1,670 | (a*+a+d)(c*+d+d) | 13 | 3 | (d+a*)(d+c*) | 9 | 3 | ac?+(d+a*)(d+c*) | a*d*(c+c+c+d) | cccccccc | daaccccc |
1,671 | b*b*+(b+d)d* | 12 | 3 | b?d*+b* | 8 | 3 | (d+bd*)d+b*+d* | (b*+b*)d*? | ddd | bbd |
1,672 | (a+b+bb)(c*+c*) | 13 | 3 | (a+bb?)c* | 9 | 4 | (a+bb?)(cc)*c? | a?b*a?(c+c) | bbccccc | bbccb |
1,673 | aa*(a*+d*) | 10 | 3 | aa*d* | 7 | 3 | a(a(a+d)+a*d*) | (a*+a+a)d?d? | aa | adaddd |
1,674 | (b*+b+c)(c+d+d*) | 13 | 3 | (c+b*)(c+d*) | 9 | 3 | dd+(c+b*)(c+d*) | b?d*(cd+d+d) | bbdd | dddddb |
1,675 | a+a+b+b*c* | 11 | 3 | a+b*c* | 7 | 3 | a+b*((b+c)c+c*) | abb*+b*+c* | bc | acccc |
1,676 | a*d*(ab+d?) | 12 | 3 | a*d*(ab)? | 10 | 3 | (ad+a*)d*(ab)? | (ad)*(b*+bb) | dddddddd | ddddbab |
1,677 | a*(d+d)+c*(c+d) | 13 | 3 | a*d+c*(c+d) | 11 | 3 | a*d+c*(d+cd?) | a*d*+aa+c? | cd | accccccd |
1,678 | b*b?(c*+d+d) | 12 | 3 | b*(d+c*) | 7 | 3 | bc+b*(d+c*)+c* | bcc*(d+d)* | bbbbbbbd | bcbbccc |
1,679 | ab+d*+(a+d)b* | 13 | 3 | (a+d)b*+d* | 9 | 3 | a+(a+d)bb*+d* | (a?+a+a)(a+d+b*) | abb | dddbd |
1,680 | (a*+a+d)(a+a+b*) | 13 | 3 | (d+a*)(a+b*) | 9 | 3 | (d+a*)(a+b*) | a*+b*+b*(d+d) | aabb | dbbdbbbb |
1,681 | (a+c+c*)(b+c)* | 11 | 3 | a?(b+c)* | 7 | 3 | a?b?(c+(b+c)b)* | a*?+a*(b+c) | abbcbbcb | bbcccacb |
1,682 | (d+a*)(a?+a+c) | 11 | 3 | (d+a*)(a+c)? | 9 | 3 | (d+a*)c?+(a+d)?a | a*a?(c+d)d* | aaaaa | caaaaaaa |
1,683 | (a*+aa)(a+c+b+b) | 14 | 3 | a*(a+b+c) | 8 | 3 | a?(c+a*(b+ac?)) | (a+c+c*)(b*+b?) | aaab | aaaacaa |
1,684 | a?d*(a+a)d* | 12 | 3 | a?d*ad* | 10 | 4 | ((a+d)d*)?ad* | aa*(a*+d*) | adddddd | adddaadd |
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