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
800
(a*+b*)(b+d)*
10
3
a*(b+d)*
7
3
abd+a*(b+d)*
(a*+a+d)b*(d+d)
addbbbd
ababdbbd
801
(ac+d*)(c*+cc)
13
3
(ac+d*)c*
9
3
((a+dd)c+d*)c*
(a+c)c*(c+d)?
acc
adccc
802
a*b*+a*+cc
12
3
cc+a*b*
9
3
cc+a*(ab+b*)
(a?+c?)(b+b)c*
abbbbbb
bc
803
(a+c)d*(a+d+d*)
13
3
(a+c)d*a?
9
3
(a+c)(a+d*(da)?)
(ad+c*)(d*+d?)
ad
cdaddda
804
(c+b+c)(b+d)*
10
3
(b+c)(b+d)*
8
3
cb*+(b+c)(b+d)*
bd+cd+(c+d)*
cdddbbd
cdbcbd
805
(a*+c?)(ab)*
10
3
(c+a*)(ab)*
9
3
(c+a*)(a(ba)*b)*
(a*+b+c)c**
cababab
bcabab
806
(a*+d*)(b+d+d+d)
13
3
(a*+d*)(b+d)
9
3
(a*+d*)(b+d)+a?d
a*+a*(b+d)
dddddb
aaaada
807
(a+d+b+c)b**
11
3
(a+b+c+d)b*
10
4
a+(c+d+a?b)b*
(a+c)d*(b+d+dd)
dbbbbbbb
ccbbbbbb
808
c?d*(c+c+cc)
13
3
c?d*c?c
10
4
c?(d*(c+d))?c
cd*(c*+d?)
cdc
cdcdcc
809
(ac+d*)(b+d)*
11
3
(ac)?(b+d)*
9
3
dd+(ac)?(b+d)*
(a+a+b?)c?d*
ddbdbdd
ccddbbdb
810
a*d*+a+c+a+c
13
3
c+a*d*
7
3
c+(a?(a+d)+a*)d*
(a+a+c+d)d*d?
aaddcddd
811
(a+a)c?(b+d)*
11
3
ac?(b+d)*
9
3
a(db+c?(b+d)*)
(a+a+b*)(c+c+d?)
addbddbb
bcbddbbb
812
(a+d+bd)(c*+c*)
13
3
(a+b?d)c*
9
4
ac+(a+b?d)c*
cb*(a+d+b?)
bdccccc
bdcd
813
(a+b+bc)(b+b)*
12
3
(a+bc?)b*
9
4
ab?+(a+bc?)b*
a*+a*+(b+c)c*
bbbb
bbbbcbb
814
a*d*+(a+a)(c+d)
13
3
ac+a*d*
9
3
a(a+c+d*)+a*d*
(a+c+d?)c?*
aaaaa
aaaaadad
815
a*+b*+b*(d+d)
12
3
b*d?+a*
8
3
(bb)*b?d?+a*
a*b?b*d?
bbbbd
bbabbd
816
(ab+c+d)(b*+b*)
13
3
(c+d+ab)b*
10
3
db+(c+d+ab)b*
(a+a)*(b+c+cd)
abb
cbabbb
817
b?*c?(c+d)
10
3
b*c?(c+d)
9
3
bd+b*c?(c+d)
(b?+cd)(b+d)*
bbbcd
bdd
818
b*(b+c)b?(b+b)
13
3
b*(b+cb?)b
11
5
b*(cb?+c?b)b
b(b+b)b*c*
bcb
bbbcbbbb
819
(a+b+c*)c**
10
3
(a+b)?c*
7
3
(a+(b+(a+b)?c)c*)?
(a+a)*(b+c)c*
ccccccc
acaccc
820
b*d*(c+c)d?
12
3
b*d*cd?
10
4
(bd+b*)d*cd?
b*(d+d)b?c*
bbbbdc
bbbd
821
(a+a+c)(b+d)d*
12
3
(a+c)(b+d)d*
10
3
(cb+(a+c)(b+d))d*
(a*+a*)(b+c)(c+d)
cdd
abdbdd
822
(a+c+d*)d*?
10
3
(a+c)?d*
7
3
(dd?+(a+c+d)d*)?
(a*+d+d)(c+d)?
cddddd
adadddd
823
b*d*(c*+c?)
11
3
b*d*c*
8
3
b*(d*(dc*)?+c*)
(bc+c*)(d*+d*)
bdcccccc
cbbddddd
824
(a*+d*)c*(d+d)
12
3
(a*+d*)c*d
10
4
(cc+(a*+d*)c*)d
(c+a+d)a*a?
ad
ddadddcd
825
b?*(c*+d?)
9
3
b*(d+c*)
7
3
b*(d+c*)+c*
b**(c?+dd)
bbccc
bbdbbbcc
826
aad*(b*+dd)
13
3
aad*b*
9
3
aa(d*b*+(bb)*)
a*(b+d)+(a+a)*
aadddddd
abaddd
827
(a+b+bd)(c*+cc)
14
3
(a+bd?)c*
9
4
b(dc*)?+(a+b)c*
(a*+a+c)(b*+b+d)
bccccccc
bdcacc
828
b?c*+b?d*
11
3
b?(c*+d*)
8
3
b?(c*+d*)+(dd)*
(b+bb)c?d*
dd
cccccd
829
(a*+b+c)a*d?
12
3
(b+c)?a*d?
10
4
(b+c)?(a*(a+d))?
adb*c*c?
baaaaa
dcad
830
(a*+b+d)(a?+d*)
12
3
(b+d+a*)(a+d*)
11
3
(b+d+a*)(a+d*)
(a+b)*(b?+d*)
aaaaa
daaddd
831
a*a*(a+a+c+d)
13
3
a*(a+c+d)
8
3
a*(d+ac?)+a?c
a*d*(ac+d*)
aaad
adaaaaaa
832
b*(d+d)b?c*
12
3
b*db?c*
10
4
(bd+b*db?)c*
(b*+b*)(c?+d*)
bdcccc
bbbbbddb
833
(a+b)c*+b+d+c*
13
3
d+(a+b)?c*
9
4
(b+d+(a+b?c)c*)?
(a+d+d+d)b*c?
acccc
bdcc
834
a*?+b*(b+d)
10
3
b*d?+a*
8
3
d+b*(bd?)?+a*
(a+d*)b*(b+b)
bbbbd
bbdbbbbb
835
bc?(a+c)*
9
3
b(a+c)*
6
3
b(ca+a*)(ca*)*
(c+c?)(a*+b*)
bcccac
bbccaaac
836
b*?(b+b)c*
10
3
bb*c*
7
3
b(b*c*+c?c?)
(b+b?)(b*+c*)
bbbbbb
bccbcccc
837
(b+d+c*)(c+d+d*)
13
3
(b+d+c*)(c+d*)
11
3
(b+c*)d*+(b+d)?c
(b*+b?)c?d*
bdd
ccbddddd
838
(a*+ac)(a+a+d*)
13
3
(ac+a*)(a+d*)
11
3
(a(c+a*))?(a+d*)
a*+cc+c*d?
dd
aadadd
839
a*+aa+(b+c)c*
13
3
b?c*+a*
8
3
cc+b?c*+a*
(aa+c?)(b*+b+b)
aaaaa
bcaccc
840
a**(b+d)d*
10
3
a*(b+d)d*
9
3
a*(ab+(b+d)d*)
a*bdd*?
aadddddd
adaddd
841
a*a?(a+b)(a+c)
13
3
a*(a+b)(a+c)
10
3
ac+a*(a+b)(a+c)
(a+c+a+c)b*c?
aaabc
aaacaa
842
(b+b+c)a*(b+d)
12
3
(b+c)a*(b+d)
10
3
(ca+(b+c)a*)(b+d)
(ad+ad)b*c*
bb
caa
843
(b+a*)b**
8
3
a*b*
5
2
abb+a*b*
a*(a+a)b**
aaab
aabbbabb
844
(a+d+cd)(d+d)*
12
3
(a+c?d)d*
9
4
cd+(a+c?d)d*
(a+d+c*)(c+c)*
ddd
cddcdd
845
(a*+a?)(b?+d*)
11
3
a*(b+d*)
7
3
a*(b+d*)+d?d?
(a*+d*)(b+d+d+d)
d
aaadaadd
846
(a?+b+d)d*(d+d)
13
3
(a+b)?d*d
9
4
(a+(b+a?d)d*)?d
(d+a?)(b+b)d*
bddd
bdddbdd
847
(b+b)d*c?*
10
3
bd*c*
7
3
bd*((c+d)c)?c*
(b+d+c*)c*c?
bccccccc
dbcc
848
a*b?b*(c+c)
12
3
a*b*c
7
3
(a*(a+b))?b*c
(a+b+bb)(c*+c*)
aaaabc
bbbcb
849
(a?+b*)(b*+bc)
12
3
(a+b*)(bc+b*)
11
3
(a+b*)(b(b+c)?+b*)
(a+b)(a+c)(c*+c+c)
bbbbc
bbbba
850
aa?(a+d)*
9
3
a(a+d)*
6
3
aa*(d(da+a*))*
a**(ad+d*)
adadaad
daaaadad
851
(a*+b?)(a+d)*
10
3
b?(a+d)*
7
3
da+b?(a+d)*+a*
(a?+b+b)(b+d)d*
dadaddaa
bbadaaad
852
a+b?+b*d*
10
3
a+b*d*
7
3
(a+b*(b+d*d))?
b(d+d)a*d*
bbbdd
bbdbb
853
(c+c*)a*bc
11
3
c*a*bc
9
4
(aa?+c*a*)bc
c+b*+(a+c)*
abc
caacaabc
854
a*d*+a+c+b+d
13
3
b+c+a*d*
9
3
b+c+(a?d+a*)d*
a*d*+a+b+b+c
aa
aaabaaad
855
(b*+c?)(c?+d+d)
12
3
(c+b*)(c+d)?
9
3
(c+b*)(c+d)?+(bb)*
(b+c+d?)c**
bbbd
bbcbbbbc
856
(b?+d*)(c*+d?)
11
3
(b+d*)(d+c*)
9
3
b(c+d)?+(b+d*)c*
b+cd+c*d*
bcc
bddd
857
b*(b+c)(b+b+b+d)
14
3
b*(b+c)(b+d)
10
3
bb+b*(b+c)(b+d)
b*(b+c)(d?+d+d)
bbbbbcd
bbbbdbcb
858
(a+a)b*c*d*
12
3
ab*c*d*
10
4
ab*(dd+c*d*)
(a+c+b+b)(d*+d*)
abbbbbdd
dabccccc
859
(a*+ad)b*b*
12
3
(ad+a*)b*
9
3
(ad+a*)b*+(bb)*
(ad+b?)(d*+d*)
bbbbbbbb
aaaabbbd
860
a*+ab+(a+c)*
11
3
ab+(a+c)*
8
3
a(a+b)?+(a+c)*
a*(b?+c*)
ccacaa
ccbcaca
861
a?(b+b)+b*c*
12
3
ab+b*c*
9
3
ab+(b*(b+c))?c*
a*c?b?(c+c)
bbbbbccc
bbbbbcb
862
cc*(a*+d?)
10
3
cc*(d+a*)
9
3
c(c*(d+a*)+(cc)*)
adc*(d*+d*)
ccaa
cccdaaa
863
(b?+cd)(b+d)*
11
3
(cd)?(b+d)*
9
3
((c+d)d)?(b+d)*+d*
(b+d*)(b*+c?)
ddbbbdbd
bbbdbbc
864
(a*+aa)(ad+c*)
13
3
a*(ad+c*)
9
3
ac*+a*(ad+c*)
c+c*+a*(c+d)
aaaacc
cdccc
865
(a?+b+b)b*(b+c)
13
3
a?b*(b+c)
9
3
(bb+a?b*)(b+c)
a*a?+b*c?
c
bbbbab
866
b*d*+(bb)?
10
3
b*d*
5
2
b*(b+dd*)+(bb)*
(d+d?)b?d*
bbbbdddd
bdbd
867
(a*+b+b)b*(d+d)
13
3
a*b*d
7
3
(a(bb)?+a*b*)d
(a*+dd)b*b*
abbbbbd
aaadabbd
868
(a*+b+b)(a?+b*)
12
3
ba+a*b*
9
3
(b+aa*)a+a*b*
b*+a*(a+b)
aaabb
aaaaaba
869
(a+d)*+bd+c+c
12
3
c+bd+(a+d)*
10
3
c+(b+ad)d+(a+d)*
(a+d*)(b+c+c?)
aaaaddda
daadcdd
870
(a*+c+c)b?d?
12
3
(c+a*)b?d?
10
4
(c+a*)(d+bd?)?
(a?+cd)(b*+b+b)
aaa
aabab
871
(b*+c*)d??
9
3
(b*+c*)d?
8
3
c(c+d)+(b*+c*)d?
(b+c+d+d)(c*+c?)
b
bbdbbb
872
(a*+aa)(a+c+bc)
14
3
a*(a+b?c)
9
4
ac+a*(a+b?c)
(a+b+b*)(b+b+c*)
aaac
aacaaaac
873
a*b?b*(b+c)
12
3
a*b*(b+c)
9
3
a*b*(c+bc?)
(b+a+a)b*c?
bbbbb
cbbbbbbb
874
b*c*(b+d+c*)
12
3
b*c*(b+d)?
10
3
b*c*(d+c(b+c))?
(bd+c?)d*?
bbbbbbb
bcbd
875
a*c*+b+c+cc
13
3
b+a*c*
7
3
b+a*(ac+c*)
(a+a)*(a+c+bc)
aacccccc
baacccc
876
dc*c?d*
10
3
dc*d*
7
3
d(c(cd)?+c*)d*
(c*+d+d)d*d*
dccddddd
877
(a+c)b*(b+c+c*)
13
3
(a+c)b*c*
9
3
(a+c)((c+bb*)c*)?
bb*(a?+b+c)
abbcccc
cbbabcc
878
(a*+aa)(ac+a+d)
14
3
a*(d+ac?)
9
4
aa+a*(d+ac?)
(ac+c?)c*d?
aaaaaaa
aaaadac
879
(ad+ad)b*c*
13
3
adb*c*
9
3
ad(b?c+b*)c*
(a?+b*)b*(c+d)
adbbbbbb
bdbbccc
880
(a+a*)bcc*
11
3
a*bc*c
9
4
(bc+a*b)cc*
(a?+ac)(b?+c*)
bcc
abbcccc
881
(a+d+c+d)(d*+d*)
13
3
(a+c+d)d*
8
3
cd?+(a+c?d)d*
(a+a*)(a+c+d+d)
ddddd
ddddddad
882
c(d+d)b*c*
11
3
cdb*c*
9
3
cd(b*(b+c))?c*
(b?+bc)(c+d)*
cdbbbbb
bdbbc
883
a*?(b*+b?)
9
3
a*b*
5
2
aa?b?+a*b*
(a?+b?)(a+b)b*
a
abbabbbb
884
(aa+c*)(a+b)*
11
3
c*(a+b)*
7
3
c*(a+b)*+b?b?
(c+a+c)a*(b+c)
cbaaaa
ccbaabcb
885
b*d*+b+d+c*
12
3
b*d*+c*
8
3
b*(b(b+d)+d*)+c*
(b?+b+d)c*d*
dddddd
bdb
886
(a*+b+b)(bd)*
11
3
(b+a*)(bd)*
9
3
(b+a*)(bd(bd)?)*
(a+a+b)(a+d)b*
aaaaaa
bbabdbd
887
(ad+d*)c*?
10
3
(ad+d*)c*
9
3
((a+d)d+d*)c*+d*
a?(c+d)c*c?
dddc
dccacccc
888
(ab+c+c)*
8
3
(c+ab)*
6
3
(ab+((ab)?c)?c)*
a*b?b*(c+c)
abababc
ccbabccc
889
(a*+a*)(ab+c+d)
13
3
a*(c+d+ab)
10
3
a*(c+d+a(b+c))
(d+b+b)a*(b+c)
aaad
aadaaaad
890
b*(a*+a?)
8
3
b*a*
5
2
b*a*+(a+b)?a?
a?b*+(a+a)*
bbbbb
aaab
891
a?(d+d)(a+c)*
11
3
a?d(a+c)*
9
3
dc*+a?d(a+c)*
(c+c*)(a?+c+d)
dacccaa
dacaccdc
892
bbc?c*d*
12
3
bbc*d*
9
3
bb(c*(c+dd*))?
(c+d*)(b+c+c?)
bbcccc
bdc
893
a?*(c+d+dd)
11
3
a*(c+dd?)
9
4
a*(c+(d+ad?)?d)
(a+c+a+d)d**
d
ddc
894
(a+a)c*d?d?
12
3
ac*(dd?)?
10
4
a((c*d)?d?+c*)
(a?+c?)c*d?
a
acccccda
895
(c+d*)(b+c+c?)
11
3
(c+d*)(b+c)?
9
3
dc?+(c+d*)(b+c)?
(d+b+c)d*d*
ddb
dddbdddd
896
a*c*+dd+dd
13
3
dd+a*c*
9
3
dd+a*c*+a?c
a+c+ad+(a+d)*
dccccc
897
(d+bd)*
6
3
(b?d)*
5
3
d?(b?d(b?d)*)?
b*d*+b+b+bb
ddddbdbd
bdbbddd
898
a?+cd+(a+c)*
11
3
cd+(a+c)*
8
3
c(d+cc?)+(a+c)*
(ac+d*)(c*+cc)
ccaccacc
dcaccaac
899
aac+a*c*
11
3
a*c*
5
2
a*(c(cc)*c?)?
(a*+a*)a*c*
ccc
cac