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 |
|---|---|---|---|---|---|---|---|---|---|---|
1,100 | (a?+dd)(b*+b?) | 12 | 3 | (a+dd)?b* | 9 | 4 | ((a+b+dd)b*)?b? | a?b?(d+d)* | abbbb | dbdbbbbb |
1,101 | a+a+b*+b*(c+d) | 13 | 3 | a+b*(c+d)? | 9 | 4 | a+b*(c+d)?+b?c | (a+c+b?)(d*+dd) | bbbbbbc | bbbbdc |
1,102 | a*a?(a*+c+d) | 12 | 3 | a*(c+d)? | 7 | 3 | (aa)?(a*(a+c+d))? | (a+a)cc+(c+d)* | aac | aacaaa |
1,103 | a*(c+c)b*c* | 12 | 3 | a*cb*c* | 10 | 4 | a*c(bc+b*)c* | ac+bc+b*c* | aaacbbb | aaacbccb |
1,104 | b*c*(b+d+d+d) | 13 | 3 | b*c*(b+d) | 9 | 3 | b*(c*(b+d)+c?b) | (b+d+d?)(c+c)d* | bbbbbbbb | bbdd |
1,105 | (ab+c?)b** | 10 | 3 | (c+ab)?b* | 9 | 4 | cb+(c+ab)?b* | (a+ac)(b+c)* | bbb | abbbcb |
1,106 | a*d?(d*+d?) | 11 | 3 | a*d* | 5 | 2 | a?(aa?+a*d*) | ad*(a+a)* | dd | aadaa |
1,107 | a?c?(b*+b*) | 11 | 3 | a?c?b* | 8 | 3 | (a+a?(b+c)b*)? | a*(b+b+c*) | bbbbbbbb | aacbbbb |
1,108 | (b+d+c?)c?* | 10 | 3 | (b+d)?c* | 7 | 3 | cc?+(b+d)?c* | (b+b)(d+d)+c*d* | dc | cbcccccc |
1,109 | (a+d)*+ad+cd | 12 | 3 | cd+(a+d)* | 8 | 3 | (c+a?d)?d+(a+d)* | (a?+c+d)d*d? | aadddaa | aaaaaadc |
1,110 | (a*+a?)(bc+b+d) | 13 | 3 | a*(d+bc?) | 9 | 4 | a*(d+bc?) | a*b?+ad+c+d | aaaaaaad | aabac |
1,111 | (a+d+c+d)(b*+b?) | 13 | 3 | (a+c+d)b* | 8 | 3 | d+(a+c+(c+d)b)b* | (a+d)*(b*+c+c) | abb | dbbbd |
1,112 | b+a?+(b+c)* | 9 | 3 | a+(b+c)* | 6 | 3 | a+(b+c)* | (a+a)c*b*? | cbbbcc | bbacbc |
1,113 | c*(aa+a+c) | 10 | 3 | c*(a+c)a? | 9 | 3 | c+c*(a+cc)a? | (c+cc)a*c* | ccccc | cccccac |
1,114 | b*+b+d+b*(c+d) | 13 | 3 | b*(c+d)? | 7 | 3 | b(bb)*+b*(c+d)? | b*c*+b+d+d+d | bbbbbb | cbbbbbbd |
1,115 | (a*+ad)(c*+c+c) | 13 | 3 | (ad+a*)c* | 9 | 3 | (ad+a*)c*+(cc)* | a*c*(d+d) | aaa | adccdc |
1,116 | (a+d+c*)(c*+cc) | 13 | 3 | (a+d)?c* | 7 | 3 | c(cc)?+(a+d)?c* | a*(a+c)(d*+dd) | ccccc | accdcc |
1,117 | (a+c+a+c)b*d* | 13 | 3 | (a+c)b*d* | 9 | 3 | (a+c)((d+bb*)d*)? | (a+d)c*b?* | a | abdbd |
1,118 | a*+b?+a?b* | 11 | 3 | a?b*+a* | 8 | 3 | (aaa*+(a+b)b*)? | a*a*(a*+b*) | bbbb | aabb |
1,119 | (b+a+a)b*(b+c) | 12 | 3 | (a+b)b*(b+c) | 10 | 3 | (a+a?bb*)(b+c) | a?*+b*c? | ab | bbbbcbc |
1,120 | (a+d*)a*(a+b) | 11 | 3 | d*a*(a+b) | 9 | 3 | (da+d*a*)(a+b) | (a*+b+b)b*d* | aaaaa | bdda |
1,121 | a*(a+d)(c+c+c+d) | 14 | 3 | a*(a+d)(c+d) | 10 | 3 | a*(ac+(a+d)(c+d)) | (a*+d+d)(a+a+c*) | aaaaac | aadaad |
1,122 | (b+bd)b?c* | 11 | 3 | bd?b?c* | 10 | 4 | bd?b?c* | b*d*+b+c+c? | bcccccc | bccdc |
1,123 | (a?+dd)b*? | 10 | 3 | (a+dd)?b* | 9 | 4 | (a+dd)?b*+(bb)* | (a*+a?)b?d? | bbbbb | ddbbbba |
1,124 | b?(b+c)c?* | 10 | 3 | b?(b+c)c* | 9 | 3 | (cc+b?(b+c))c* | b*c?(b?+c?) | bcc | cccccbc |
1,125 | (a+b)?+b*c* | 10 | 3 | a+b*c* | 7 | 3 | a+b*(bcc+c*) | a?(b+b)+b*c* | bccccc | babbc |
1,126 | (d+b+b)(a+d)d* | 12 | 3 | (b+d)(a+d)d* | 10 | 3 | (b+d)(a+a?d*d) | (a+d+bd)d*d? | ddd | baad |
1,127 | abb*b*d* | 12 | 3 | abb*d* | 9 | 3 | ab(b*(b+dd*))? | (a+d)*+b?d* | abbbd | abdbbd |
1,128 | a*d*+d?+dd | 12 | 3 | a*d* | 5 | 2 | (ad+a*d*)d+a* | (a+d)d*(ad+d*) | aaaaaaad | adddad |
1,129 | (a*+cc)(c*+c*) | 12 | 3 | a*c* | 5 | 2 | a*c?(ccc*)? | a*c*(a*+cc) | ac | aacaacc |
1,130 | (a+a+d*)b** | 10 | 3 | (a+d*)b* | 7 | 3 | (a+(a+b)b+d*)b* | (a+b+a+d)b*? | dddbbbb | daddddd |
1,131 | (a*+d+d)a?b? | 12 | 3 | (da?+a*)b? | 10 | 4 | (d+(d+a*)a)?b? | (b+d?)a*(b+b) | a | aaadaa |
1,132 | b*c*c*c? | 11 | 3 | b*c* | 5 | 2 | (b?c+b*)c*+b* | (b+b)*bcc* | bccccccc | bbcbbcc |
1,133 | a*c*b*(b+b) | 12 | 3 | a*c*b*b | 10 | 4 | a*(bb+c*b*)b | (a?+c+c)b*b* | accbbbbb | aaaccbbc |
1,134 | (a+b)(b+c)(d*+d*) | 13 | 3 | (a+b)(b+c)d* | 10 | 3 | bc+(a+b)(b+c)d* | a+d+d+b*c* | abdddddd | accddd |
1,135 | a*a*(aa+b+d) | 13 | 3 | a*(b+d+aa) | 10 | 3 | a*(b+d+aab?) | a*(b+d)+d*? | aaaa | aaadaaaa |
1,136 | (a+b+a+d)b*? | 11 | 3 | (a+b+d)b* | 8 | 3 | a+(d+(a+d)?b)b* | (a?+b+b)(d*+d?) | abbbb | babb |
1,137 | (b+b)*(c*+c?) | 10 | 3 | b*c* | 5 | 2 | b(c+(cc)*)+b*c* | b*b?(b*+c*) | bccccb | |
1,138 | (c+b*)(a*+a+c) | 11 | 3 | (c+b*)(c+a*) | 9 | 3 | (c+b*)(c+a*)+(aa)* | a*?(b+b+c?) | bbbbbb | bbaaab |
1,139 | (a?+d*)(b*+d*) | 11 | 3 | (a+d*)(b*+d*) | 10 | 3 | dd+(a+d*)(b*+d*) | (a*+b?)a*(b+d) | dddddbb | daddbb |
1,140 | a**c*cc | 10 | 3 | a*c*cc | 9 | 4 | a*ccc* | cc*(a*+aa) | cccccccc | caaacccc |
1,141 | (b*+c+c)(c?+cc) | 13 | 3 | (c+b*)c?c? | 10 | 4 | ((c+b*)c)?c?+b* | b**(b+c)c? | bbbbbcc | cbbbbcc |
1,142 | (a+a+c+d)(c+c)* | 12 | 3 | (a+c+d)c* | 8 | 3 | (a+d+(d?c)?c)c* | (a+d+d*)(cd+d*) | cc | cccd |
1,143 | (a+d)*(b+b+bb) | 12 | 3 | (a+d)*b?b | 9 | 4 | ((a+d)*b?+d?b)b | (a+d)b?d** | daaaadab | adadbdb |
1,144 | a*b*+a+b+ac | 13 | 3 | ac+a*b* | 9 | 3 | a(c+(aa)*)+a*b* | a*(b+c)(a+a+c+c) | aaaaabbb | bbabb |
1,145 | (d+a*)a*b? | 10 | 3 | d?a*b? | 8 | 3 | (da+d?a*)(b+a*) | (a+a)ab+(b+d)* | aaaaab | dabaa |
1,146 | (d+d*)(b+c)c* | 11 | 3 | d*(b+c)c* | 9 | 3 | d*(bc+(b+c)c*) | (b+d)*(c*+cc) | ddddddbc | ddbccb |
1,147 | a*d*+a+d+dd | 13 | 3 | a*d* | 5 | 2 | a?(aa+(aa)*d*) | a*d*+a+d+d+d | aaaaaadd | aaddddad |
1,148 | b?(b+d)+(b+c)* | 11 | 3 | b?(d+(b+c)*) | 9 | 4 | b?(c+d)?+(b+c)* | b*d*(c+c)d? | cbbbcbc | cdcbcbcc |
1,149 | (ad+b+c)d*? | 11 | 3 | (b+c+ad)d* | 10 | 3 | b+(c+(a+b+c)d)d* | a?c*+ad+b+d | cddddddd | cddb |
1,150 | (aa)*(d*+dd) | 11 | 3 | (aa)*d* | 7 | 3 | (d+(aa)*)(dd)*d? | a*d*+a?+d+d | ddddddd | aadaddd |
1,151 | a*a?(bc+c+d) | 13 | 3 | a*(d+b?c) | 9 | 4 | a*d+(a*(a+b))?c | a?+c?+b*d* | aaaac | adaaaaac |
1,152 | (a*+c?)(a*+c+c) | 12 | 3 | (c+a*)(c+a*) | 9 | 3 | (c+a*a)(c+a*)+a* | (a*+c*)c*(c+c) | cc | aaaaaaca |
1,153 | (a+d)b?b*c? | 12 | 3 | (a+d)b*c? | 9 | 3 | (d+(a+db)b*)c? | (b+b*)(a+c)(a+d) | abbbb | dbbbdbb |
1,154 | a*c*+aa(b+c) | 13 | 3 | aab+a*c* | 11 | 3 | a(c+ab)+a*c* | a?+b*+(a+b)c* | ccc | acaacc |
1,155 | (d+d*)(b+c)d* | 11 | 3 | d*(b+c)d* | 9 | 3 | cd+d*(b+c)d* | c+b*+(b+c)d* | ddc | ddddcddc |
1,156 | a*a*(a+b)(c+d) | 13 | 3 | a*(a+b)(c+d) | 10 | 3 | a*(ad+(a+b)(c+d)) | (a+c+c)(b+d)c* | aaaaabd | aaacad |
1,157 | (c+c*)(c+d)d? | 11 | 3 | c*(c+dd?) | 9 | 4 | c*(c+d?d)+d?d | dc*c?d* | cccdd | ccccdccd |
1,158 | (b+b+c+d)d** | 11 | 3 | (b+c+d)d* | 8 | 3 | cd?+(b+c+d)d* | b*(d+d)c*? | ddddddd | cbdddddd |
1,159 | c+a+d+(c+d)* | 10 | 3 | a+(c+d)* | 6 | 3 | a+c?(cc+dc*)* | (a+d)?+(c+d)* | cdcccdc | dcdacdd |
1,160 | a*(b+c)b** | 10 | 3 | a*(b+c)b* | 9 | 3 | a*(c+(ac)?b)b* | (ab+a+c)c*c? | abbbbb | caaaacb |
1,161 | (a?+aa)b** | 10 | 3 | a?a?b* | 8 | 3 | bbb+a?a?b* | (a*+b+b)(a?+b*) | abbbbb | abbabbbb |
1,162 | (a+a+c*)(a+c)c* | 13 | 3 | (c+(a+c*)a)c* | 11 | 5 | (c*(a+c)+a?a)c* | a*c*+(c+c)? | cccaccc | ccacac |
1,163 | (a+b?)(a*+c?) | 10 | 3 | (a+b)?(c+a*) | 9 | 3 | b?a*+(a+b)?c | (a+c+cc)b*b* | baa | bbc |
1,164 | (b+b*)(a+d+c+c) | 12 | 3 | b*(a+c+d) | 8 | 3 | b*(a+c+d) | (a+b+c+d)d*d* | bc | bbbabbba |
1,165 | a?*(a+d+bd) | 11 | 3 | a*(a+b?d) | 9 | 4 | a*(ad?+b?d) | (a?+b?)(a?+d*) | a | adbd |
1,166 | (a*+a+c)d*d* | 12 | 3 | (c+a*)d* | 7 | 3 | (c+a?dd+a*)d* | a*(a+d)(c+c+c+d) | adddd | cddaddd |
1,167 | (a+b+d)(c+c)* | 10 | 3 | (a+b+d)c* | 8 | 3 | b+(a+d+(b+d)c)c* | (ad+b?)(c*+c?) | dcc | bcccacc |
1,168 | (a*+a+a)d?d? | 12 | 3 | a*(dd?)? | 8 | 4 | a*((a+d)d+d?d?) | (a*+ad)a?d* | aa | daadd |
1,169 | (b+b)(d+d)+c*d* | 13 | 3 | bd+c*d* | 9 | 3 | bd+(c*(c+d))?d* | b*d?(b+b)c? | ccccccdd | ccccdcc |
1,170 | (a*+aa)(b+d+c?) | 13 | 3 | a*(b+c+d)? | 9 | 4 | ab+a*(b+c+d)? | (a+a)c*(bd)* | aaaab | bc |
1,171 | c*d*d?? | 9 | 3 | c*d* | 5 | 2 | c*((cd?+d*)d)? | c*d*+(c+c)cd | cccc | cddddcdd |
1,172 | (c+a?)(b*+c?) | 10 | 3 | (a+c)?(c+b*) | 9 | 3 | ab*+(a+c)?(c+b*) | (b+b*)(aa+c*) | abbbbb | cbbc |
1,173 | (b+d+cd)* | 8 | 3 | (b+c?d)* | 7 | 4 | (b+(c+(d(dc)?)*)d)* | (b+d+c*)(c+d+d*) | dbbbdbbb | cddbbdcc |
1,174 | (c+d?)(b*+d?) | 10 | 3 | (c+d)?(d+b*) | 9 | 3 | cd?+(c+d)?(d+b*) | b*c*+c+c+c+d | b | bbd |
1,175 | a*a?+a*b* | 11 | 3 | a*b* | 5 | 2 | a(a+b)?b+a*b* | a*b*+a?+a? | aabbb | abbabbbb |
1,176 | (a+b)*b*d? | 10 | 3 | (a+b)*d? | 7 | 3 | b*(a+d)+(a+b)*d? | a*a*(aa+b+d) | aababba | abaaadad |
1,177 | cd*+b*d* | 10 | 3 | (c+b*)d* | 7 | 3 | cdd+(c+b*)d* | b*c*(d*+dd) | bbddd | bbdddbdd |
1,178 | (a+a*)a?c* | 10 | 3 | a*c* | 5 | 2 | a?(ac+a*c*) | (a*+c*)(c?+cc) | cccccccc | cacccccc |
1,179 | a*d*+aac? | 12 | 3 | aac+a*d* | 11 | 3 | a(ac+a*d*)+d* | (a+c)(c+d)(c*+c?) | adddd | caaddddd |
1,180 | (aa+d*)b*b* | 12 | 3 | (aa+d*)b* | 9 | 3 | aa+(aa+d*)b* | d+aa+(a+b)* | b | dadddddb |
1,181 | (a+a+c+d)c*? | 11 | 3 | (a+c+d)c* | 8 | 3 | a+(d+a?c)c* | (a*+aa)(ac+a+d) | dccc | acccccca |
1,182 | a*(a+a)d*(d+d) | 13 | 3 | aa*d*d | 9 | 4 | a(ad+a*)d*d | (a*+a?)(d*+d*) | adddddd | aadda |
1,183 | (a+a+d)b*(b+d) | 12 | 3 | (a+d)b*(b+d) | 10 | 3 | (a+d)(d+bb*d?) | (a*+b+b)(bd)* | abbbbd | aabbb |
1,184 | (c+a?)(b+d+d*) | 11 | 3 | (a+c)?(b+d*) | 9 | 3 | cb?+(a+c)?(b+d*) | (a+d)*+bd+c+c | d | cddbdd |
1,185 | a*(a+a)(b+c+c?) | 13 | 3 | aa*(b+c)? | 9 | 3 | a(ab+a*(b+c)?) | (a*+a+b)b*c* | aab | aaaabaaa |
1,186 | a+ac+b*c* | 11 | 3 | (a+b*c*)c? | 10 | 4 | (a+b*(c+(cc)*))c? | a?(a+a)b?c* | bbbbbccc | bbcaccc |
1,187 | a*(b+b)+a?b* | 12 | 3 | a?(a*b+b*) | 10 | 4 | a?((b+a*)b+b*) | a*a?b*b? | ab | ababbb |
1,188 | c(d+d)c*d* | 11 | 3 | cdc*d* | 9 | 3 | cd(c*d*+c?d) | c*d*+ccd* | cdcccc | ccccdddd |
1,189 | b*d*d?* | 9 | 3 | b*d* | 5 | 2 | b?((b*d)?d*+b*) | (b+b+b+d)(b+d)d* | bbbddd | ddddddbd |
1,190 | (a+b+b+d)c*c* | 13 | 3 | (a+b+d)c* | 8 | 3 | (a+b+d)c*+(a+d)c | (ac+d*)(b+d)* | b | aacc |
1,191 | a*a?(b*+c*) | 11 | 3 | a*(b*+c*) | 8 | 3 | aa+a*(b*+c*) | b+ac+b*c* | aaaaaabb | accccca |
1,192 | (a+b)(a+b)b** | 11 | 3 | (a+b)(a+b)b* | 10 | 3 | (a+b)(a+a?b)b* | (a*+b*)b?? | abbbb | bababb |
1,193 | (c*+d+d)(dd)* | 11 | 3 | (d+c*)(dd)* | 9 | 3 | (c*+d*)(dd+(dd)*) | c*d*+(c+c)(d+d) | cccccccc | ccccddd |
1,194 | (a+a+d+d)(a+d)b* | 14 | 3 | (a+d)(a+d)b* | 10 | 3 | (aa+(a+d)(a+d))b* | a*b?+b*+d? | dabb | aabbba |
1,195 | b*+d*+cdd* | 12 | 3 | c?dd*+b* | 10 | 4 | (dd+c?d*)d+b* | cb*d*? | dddddd | bbbbbbd |
1,196 | a+c*+(a+d)d* | 11 | 3 | a?d*+c* | 8 | 3 | ad*+(a+d*)d+c* | (a+c+c?)c?d* | dd | acccc |
1,197 | da*(b*+b+d) | 11 | 3 | da*(d+b*) | 9 | 3 | d(bb?+a*(d+b*)) | a?b*(a+a)d* | daaa | aaaaad |
1,198 | (a+a*)(a+b+b+d) | 12 | 3 | a*(a+b+d) | 8 | 3 | b+a*(d+ab?) | (a?+a?)b?d* | aaaaaaaa | adaaad |
1,199 | a?d*(c+d+d*) | 12 | 3 | a?d*c? | 8 | 3 | (a+(a?d)?d*)c? | a*a?(a*+c+d) | addd | ddddcc |
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