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
700
(a+b+b*)(b+c+c?)
13
3
(a+b*)(b+c)?
9
3
(a+b*)(b+c)+a?c?
(a*+ab)(a*+a+c)
bbbbbbbc
abbbbc
701
(a+b+b*)(c?+d+d)
13
3
(a+b*)(c+d)?
9
3
(a+b*)(c+d)?+a?c
(a+a+c+c)(b+d)*
bbbbbbc
bbabbbbc
702
a*c*(b*+c+c)
12
3
a*c*b*
8
3
aac+a*c*b*
(a?+aa)b*c?
ccb
aabbcbbb
703
a*(a+b)+b?d*
12
3
a*b?+b?d*
11
3
a*b?+(b?d)?d*
(a+d+d*)(bd)*
bddddd
ddadd
704
(a?+b+c)(b*+b*)
12
3
(a+c)?b*
7
3
((a+b+c)b*+a?b)?
a*(a+b)(c?+c?)
bb
cbbbcb
705
(c+b*)(b*+b+c)
11
3
(c+b*)(c+b*)
9
3
b*(b+c)+c?(c+b*)
(b*+bc)(c*+c?)
bbb
bcbb
706
a*c*+(a+a)*
10
3
a*c*
5
2
a(ac)?c+a*c*
(a*+c*)(a+a)*
aaaaaaac
aacaa
707
a+d+c*+c?d*
12
3
a+c?d*+c*
10
4
a+ccc*+c?d*
(a+c+c*)d**
cccccc
cccacc
708
a*b?+b*+d?
11
3
d+a*b?+b*
10
4
d+(bbb*+a*)b?
(b+b*)(a+d+b*)
aaaaaab
aaadb
709
a*b*(a+a+d?)
12
3
a*b*(a+d)?
10
3
(aa+a*b*)(a+d)?
(a+a+b+d)(b*+b*)
aaa
baabb
710
(a+b*)(b*+b+c)
11
3
(a+b*)(c+b*)
9
3
(c+(a+bb*)(c+b*))?
(a+c)b*(b+b+c*)
bbc
abcbbbbb
711
db*(d*+d+d)
11
3
db*d*
7
3
d(bb)*b?(b+d*)
b*d*+(b+d)bd
dbbbbbdd
dbbddbdd
712
a?+b*+(a+b)c*
12
3
(a+b)c*+b*
9
3
ac*+b(b+c*)+b*
(a*+b*)(bc+c+c)
acccc
bbbbbbab
713
a*a*(bb+b+d)
13
3
a*(d+bb?)
9
4
ab+a*(d+bb?)
(a?+bb)(d*+dd)
aaaaaaad
adbb
714
b*c?d??
9
3
b*c?d?
8
3
(bc+b*(b+c))?d?
(b+c)(c+d)c*?
bb
bbbbbbcc
715
a*d*(c+c+c+d)
13
3
a*d*(c+d)
9
3
a*(ad?+d*)(c+d)
(a+a+c+d)c*?
aaddd
addadddd
716
(c+ac)b*d?
11
3
a?cb*d?
10
4
a?c(d+b*(bd)?)
(a+c)d*b**
c
dcbb
717
a*c?b**
9
3
a*c?b*
8
3
(ab+a*c?)b*
b*(a+c+c*)
cbbb
acaaab
718
b?d*+c*+c+d
12
3
b?d*+c*
8
3
(b+d)d+b?d*+c*
(b?+bd)(c*+c?)
bdddddd
ccb
719
(b+d*)(c+c+d?)
11
3
(b+d*)(c+d)?
9
3
(c+(b+dd*)(c+d)?)?
(b+d)d?c*?
dddddc
cddddddd
720
a*d*+b*+c?
11
3
c+a*d*+b*
10
4
c+a*(ad+d*)+b*
(a+c)d*+(b+b)d*
aadd
dddcdd
721
(d+b+c)(a*+a?)
11
3
(b+c+d)a*
8
3
caa+(b+c+d)a*
a*?(b+c)d*
caa
ddaaaaaa
722
a*d*+cd+d?
12
3
cd+a*d*
9
3
(c+dd)d+a*d*
(a+d+cd)(c*+c?)
aaaaaddd
aadaad
723
(a?+c?)c*d?
11
3
a?c*d?
8
3
ccc+a?c*d?
(ad+d*)(c*+c+d)
cccc
adc
724
d*(b+c+cd)
10
3
d*(b+cd?)
9
4
b+d*(cd?+db)
b*+cc+b*d*
ddddddc
dddddccd
725
b**(bb+c*)
10
3
b*c*
5
2
(b*c)?c*+b*
b*(b+c)b?(b+b)
bbc
bbccccbc
726
(b+d+c?)c**
10
3
(b+d)?c*
7
3
d+(b+(b+d)c)?c*
(bc+c+d)*
dccccccc
dcccd
727
a*(a+a)(c*+d*)
12
3
aa*(c*+d*)
10
3
a(ad+a*(c*+d*))
(a?+c+d)c*d?
aaaadd
ccccccc
728
(a+b*)(c+c+d?)
11
3
(a+b*)(c+d)?
9
3
a+(a+b*)(c+d)+b*
(a+d+c*)(b*+b+b)
bbbbbbbb
bbbbbad
729
a*d?(a+a)c*
12
3
a*d?ac*
10
4
a*d?ac*
a*c*+a?+cd
aaaaaaac
aaaaaaad
730
(c*+d+d)d*(d+d)
13
3
c*d*d
7
3
c*d(d+(ddd?)*)
(c?+cc)(c+c)d*
ccccccd
dcccdd
731
adb*c*c*
12
3
adb*c*
9
3
ad(b*(b+cc*))?
(a+c+b+d)c**
adc
badccccc
732
dc?+(b+d)*
9
3
dc+(b+d)*
8
3
d(c+d)?+(b+d)*
(b+c)*+c?+d*
bbdbdddb
dcbbddb
733
(a*+aa)(bb+c*)
13
3
a*(bb+c*)
9
3
a*(bb+c*)+(cc)*
(a+b+a+c)(c*+c*)
aaaaac
cca
734
acc*+b*c*
12
3
(ac+b*)c*
9
3
ac+(ac+b*)c*
(c+c*)(a*+b+b)
accccc
abbcccc
735
(c+a+d)a*a?
11
3
(a+c+d)a*
8
3
(a+c+d)a*+(c+d)a
(a+a)d*c*(d+d)
caa
dcaaaa
736
(bc+c+d)c*c?
13
3
(d+b?c)c*
9
4
dc?+(d+b?c)c*
(b+d)c*+c*c?
ccccccc
dcdc
737
(a+b)c*+c*+c*
12
3
(a+b)?c*
7
3
(a+b+(ac)?c)?c*
abb*c*c*
cccccccc
bcccccb
738
(a+c)*(c+d+d*)
11
3
(a+c)*d*
7
3
(a+c)*(cd+d*)+a*
(a?+a+c)(cd+d*)
addddddd
dddddcdd
739
abb*+b*+c*
12
3
a?bb*+c*
10
4
ab+(ab)?b*+c*
(a+c+cc)b*?
abbbbb
cccccacc
740
(a+a+b)b*d*
11
3
(a+b)b*d*
9
3
(bb+(a+b)b*)d*
(a+d+b+b)(b*+b+b)
bbbddddd
bbabd
741
(a+b+b*)(b*+d*)
12
3
(a+b*)(b*+d*)
10
3
bd+(a+b*)(b*+d*)
(a+d)d*+ad+b*
add
ddddddad
742
a*+aa+c?d*
12
3
c?d*+a*
8
3
c+((c+d)d)?d*+a*
a*(a+c)(d*+d*)
ddddddd
acaaa
743
(a+b*)(a*+c+c)
11
3
(a+b*)(c+a*)
9
3
aa?+(a+b*)(c+a*)
(a+c)c*+b*+bb
bbbaaaa
bbaaabaa
744
cb*(b+b)d*
11
3
cbb*d*
9
3
cb(b*d*+(dd)*)
b?*c?(c+d)
cbdddddd
bdddddd
745
bc*(a*+c+c)
11
3
bc*a*
7
3
b(c(aa)*+c*a*)
(a+b?)a*(b+c)
baaa
cbccccca
746
(a+b)(a+c)(c*+c?)
13
3
(a+b)(a+c)c*
10
3
ba+(a+b)(a+c)c*
(a+a*)(a+a+b+c)
accc
abac
747
b*+b+b+b*(c+d)
13
3
b*(c+d)?
7
3
(bb+b*(b+c+d))?
(b+c+c)b?d*
bbbbd
bbcbbbbb
748
(bc)?+(c+d)*
9
3
bc+(c+d)*
8
3
(b+c+d)?c+(c+d)*
(b+c)c?d*d?
dcdcd
cbddcdcc
749
adb*c*c?
12
3
adb*c*
9
3
adb*((b+c)c*)?
(a+a)c?(b+d)*
adc
abb
750
(d+c*)(a+a+b*)
11
3
(d+c*)(a+b*)
9
3
cb*+(d+c*)(a+b*)
a+c+bc+(c+d)*
cccbbb
ccacccbb
751
b+c+cc+c*d*
13
3
b+c*d*
7
3
b+(c+d*)d+c*d*
(b+b)d*c?*
ccccdddd
cdddddb
752
(c+c*)(a+d+b+d)
12
3
c*(a+b+d)
8
3
c*(a+b+d+c(a+b))
(a+c)(b+d)b*?
cccd
dcccca
753
(d+d*)(b+c+c*)
11
3
d*(b+c*)
7
3
d*c*+d?(d*b)?
c+b*+c*d*
ddddccc
ddddbddb
754
a*b*(a?+d+d)
12
3
a*b*(a+d)?
10
3
a*(ab+b*)(a+d)?
(aa+aa)b*d*
ab
aadbbba
755
(a*+a+d)b*(d+d)
13
3
(d+a*)b*d
9
4
(ab?+(d+a*)b*)d
(a+b+b*)(b*+d*)
aaabbbbd
baabbd
756
(a+a)*(b?+bd)
11
3
a*(bd?)?
8
4
b+a*(ab+bd)?
a*d*+bb+d+d
aaaaa
aaaabbd
757
(b+b+d?)(c+c)*
11
3
(b+d)?c*
7
3
(b+d)?c*+(cc)*
b*b*c*dd
bccccc
dccccdc
758
(a+c+a+c)(c+d)d*
14
3
(a+c)(c+d)d*
10
3
cd+(a+c)(c+d)d*
a*+ac+a*(c+d)
ccddddd
ccdc
759
bc+d*+c*d*
12
3
bc+c*d*
9
3
bc+c*d*
(b?+d*)(c*+d?)
dddddd
cccdccc
760
(b+d)d?c*?
10
3
(b+d)d?c*
9
3
bc+(b+d)d?c*
b*+d*+cdd*
dcccc
cddccc
761
(ad+d*)(c*+c+d)
13
3
(ad+d*)(d+c*)
11
3
((a+d*)d)?(d+c*)
(a*+d?)(c*+d+d)
dddccccc
ddccccca
762
(a+c)*+b*+b+b
11
3
b*+(a+c)*
7
3
(bb)*b?+(a+c)*
a**(b?+c?)
cccacaac
aabaaac
763
c+a+c+a*d*
11
3
c+a*d*
7
3
c+((ad)?d+a*)d*
a?d*(cc+d?)
aad
aaadddc
764
b+b+c*+(b+c)d*
13
3
(b+c)d*+c*
9
3
(b+c)d*+(ccc?)*
(bc+c+d)c*c?
cd
cccccb
765
a?*(b?+bd)
10
3
a*(bd?)?
8
4
a(a+b)+a*(bd?)?
a*(a+a)(b*+d?)
a
daaaaaab
766
cc*(a+c+b*)
11
3
cc*(a+b*)
9
3
c(ca+c*(a+b*))
cb*(a*+a+b)
cc
cabbb
767
a?c*(d+d)?
10
3
a?c*d?
8
3
((a+c)c*)?d?
(a+a*)(ac+d?)
acd
acccccca
768
(a*+a+c)a?c*
12
3
(ca+a*)c*
9
3
ac+(ca?+a*)c*
(a+a+c*)(a+c)c*
aaaaaaa
aaaacaa
769
db*+a?b*
10
3
(a+d)?b*
7
3
b(bb)*+(a+d)?b*
a*b*+a+a+a+d
dbbbbbb
abdb
770
(a+a*)(a+a+b+c)
12
3
a*(a+b+c)
8
3
a*(b+c+ab?)
a?c?(b?+c*)
aac
aacaac
771
(a+c+d*)(c*+d+d)
13
3
(a+c+d*)(d+c*)
11
3
((a+c+d*d)(d+c*))?
a*d*+cd+d?
dd
ddcdc
772
a?(c+d)c*c?
12
3
a?(c+d)c*
9
3
a?(d+((c+d)c*)?c)
(a*+c+d)(d?+d+d)
ccc
dccdcccc
773
ba*b?*
8
3
ba*b*
7
3
b(a*(b+ab*)+b*)
(b+a+b)(a*+b*)
bbbbbbbb
babbabbb
774
(ab+b*)b*c*
12
3
(ab)?b*c*
10
4
((a+bb)b)?b*c*
a?(c+c)b*c?
abccccc
bcbccccc
775
(a+a*)(d*+d*)
10
3
a*d*
5
2
a*(a(d+aa))?d*
(aa+d?)*
adddddd
addddda
776
(a?+d*)b*d?
11
3
(a+d*)b*d?
10
4
(a+(ab+d*)b*)d?
(a+d)d*+b*+d*
dddbd
bbda
777
(a+a*)a*c*
10
3
a*c*
5
2
(a+c?c)c+a*c*
((a+a)c?)*
aaaaaacc
ca
778
a*(a+a)b**
10
3
aa*b*
7
3
a(a(a+b)+a*)b*
(b+b*)(a+a)b*
aabbbb
bb
779
aac*+(a+d)c*
13
3
(d+aa?)c*
9
4
(d+a?a)(cc)*c?
a*+aa+c?d*
aacccccc
acccdccc
780
(a*+ad)a?d*
12
3
(ada+a*)d*
11
4
(ad+(aa)*)a?d*
a*a?(d+d)*
aaaa
daaaad
781
ac+bc+(c+d)*
12
3
(a+b)c+(c+d)*
10
3
(a+b+d*)c+(c+d)*
a*a?(bd+c?)
ccddcddc
ddbd
782
a?*(bc)*
8
3
a*(bc)*
7
3
a(aa)*+a*(bc)*
a?c*+a+a+b*
aaaaaab
783
b*d?c?(c+c)
12
3
b*d?c?c
10
4
(bd+b*d?c?)c
(bd+d*)(c*+c+c)
bdc
bdbbbdcc
784
(a+d)c*+c*+d*
12
3
(a+d)?c*+d*
10
4
(a+c+d)c*+d*
(a+d)(c+d)(c+c)*
ddd
dccdcc
785
(a+a+b*)(c+c)*
11
3
(a+b*)c*
7
3
(a+b*)c*+b*
(a+c)?b*(b+b)
bcccc
cbbbcc
786
a*(a+b)+b+c+c*
13
3
a*b?+c*
8
3
b+a(a*(a+b))?+c*
(a+a)(b+c)+(a+b)*
aaa
cccccacc
787
(d+b+c)d*d*
11
3
(b+c+d)d*
8
3
cdd+(b+c+d)d*
(b+d*)(c?+d?)
ddddd
ddbdddd
788
(a*+b+d)a*(d+d)
13
3
(b+d)?a*d
9
4
(b+d+d?a)?a*d
(a*+a+d)(a+b+b*)
aaaaaaad
aaadaad
789
(a+c)*+(b+b)*
9
3
b*+(a+c)*
7
3
b*+c*+(c*ac*)*
(c+a+b)c*c?
cacaac
abaacaaa
790
(b+c+c)c?d*
11
3
(b+c)c?d*
9
3
(b+c)(c+c?dd*)?
(d+c*)(b+b+d?)
bdddd
ccddbddd
791
(a+c)d*+b+c+d*
13
3
b+(a+c)?d*
9
4
b+(a+c+c?d)?d*
a*a?(bc+c+d)
addd
ccddd
792
(a+a)c*(bd)*
11
3
ac*(bd)*
9
3
ac*((bd)*bd)*
(a?+d+d)b*c?
acbd
acccbad
793
(b*+b?)(b?+c+d)
12
3
b*(c+d)?
7
3
b(d+b*)+b*(c+d)?
(b+d)d*+c*+d?
bbbb
bbbbcb
794
(a+c)c*+b*+bb
13
3
a?c*+b*
8
3
ac?+(a+c)c*+b*
(a*+b*)a*c*
ac
cccccca
795
(c+d+d)b?d*
11
3
(c+d)b?d*
9
3
((c+d)b?+c?d)d*
(d+cd)b*c*
cdddd
ddcdddd
796
ab*(a*+a+c)
11
3
ab*(c+a*)
9
3
a(ba*+b*(c+a*))
(a*+b+b)(b+b+c?)
abbbbbb
cbbbbbba
797
(a*+a?)b?d?
11
3
a*b?d?
8
3
ad+a*b?d?
(d+a+d)(a+b)d*
aaaad
aaaaaadd
798
(b?+bd)(c*+c?)
12
3
(bd?)?c*
8
4
b(dc+d?c*)+c*
b*c*(b+d+c*)
bdccc
bccb
799
(a+a)c*+(a+b)*
11
3
ac*+(a+b)*
9
3
a(a+b*+c*)+(a+b)*
a*c*b*(b+b)
abbabbaa
caaababb