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
0
a?d*(b+d+d+d)
13
3
a?d*(b+d)
9
3
a?(d*(b+d)+d?b)
(a+b)b?(d*+d?)
dd
ddab
1
(a*+a*)(a+c+ad)
13
3
a*(c+ad?)
9
4
ad?+a*(c+ad?)
(a+d+c+d)d*d*
aaaaad
aaacd
2
b*bc+c?d*
12
3
b*c+c?d*
10
3
cd+b*c+c?d*
(b+b+c)b*d?
dddddddd
ddddddcd
3
(a+c+d?)b*?
10
3
(a+c+d)?b*
9
4
(d+(a+c+d?b)b*)?
(a+d)c?b?*
abbbbbdb
4
dc*(a*+cc)
11
3
dc*a*
7
3
d(c*(c+aa*)+a*)
(a?+d*)c?*
dcc
dcadaaaa
5
(c+c?)(b+d)d*
11
3
c?(b+d)d*
9
3
c?(b+d)d*
b+c+cc+c*d*
cd
dbdd
6
(a?+a+a)(b+d+c*)
13
3
a?(b+d+c*)
9
3
(a+a?(b+d+cc*))?
(a?+b+d)(c+c)*
acccc
ccccb
7
(a+d)c*b?*
10
3
(a+d)c*b*
9
3
(a+d)c*(cb?+b*)
a+c+b+d+c*d*
dccbbb
dbccbbb
8
(a+d)d*(c+c+d*)
13
3
(a+d)d*c?
9
3
(a+d)d*c?+d?d
(d+d*)(ad+c?)
dddc
adcdd
9
c*d?(d?+dd)
12
3
c*d?(dd)?
10
3
(c*(c+d(dd?)?))?
(c+d)*(cd+d+d)
cccd
dcccddd
10
(b+c?)(a+a+d*)
11
3
(b+c)?(a+d*)
9
3
dd?+(b+c)?(a+d*)
(a+c+b+d)b*b?
cddddddd
bddbdddd
11
a*c*+c*(c+d)
12
3
a*c*+c*d
10
3
a*c*+c*d
d(a+a)+(c+d)*
ccd
acccccd
12
b?b?(c?+d*)
11
3
b?b?(c+d*)
10
3
bd+b?b?(c+d*)
(b+d)(b+d)c**
bdd
dbc
13
a*d*(b?+d*)
11
3
a*d*b?
8
3
dd+a*d*b?
(a+b)*(ad+b+d)
aaab
dddadb
14
a*(b+c)+c*+c+c
13
3
a*(b+c)+c*
9
3
(aa)*a?(b+c)+c*
a*+a?+(a+c)b*
aaaaab
aaaaaabc
15
b*(c+c)(c?+cc)
13
3
b*(cc?)?c
10
5
(bb+b*(cc?)?)c
(b*+b+c)c*c?
bbbbbc
bcbccc
16
(a*+a+a)(a+c+a+d)
14
3
a*(a+c+d)
8
3
a*(a+c+d)+a?c
(c+a*)(a+a+d?)
aaaad
aadaaaac
17
b*b?(cd+d?)
12
3
b*(c?d)?
8
4
(bb+b*(b+c?d))?
(b+d+c?)(d*+d*)
bbbb
bbdbbd
18
ad*(a+a)*
9
3
ad*a*
7
3
a(d(da+d*))?a*
(a*+dd)(d*+d?)
addaaaaa
adaddaa
19
(a+c)d*b**
10
3
(a+c)d*b*
9
3
(a+c)((b+dd*)b*)?
a*c*+a?+b+d
addddbb
cbcbbb
20
(aa+c?)(b*+b+b)
13
3
(c+aa)?b*
9
4
c+(aa+c?b)?b*
(a?+b?)(b+b+c*)
bbbbbb
bbbbcbb
21
a*(b+d)+b*+b+b
13
3
a*(b+d)+b*
9
3
ab+a*(b+d)+b*
a?*(a+d+bd)
aaaab
abd
22
(a+d)c*(b*+c*)
12
3
(a+d)c*b*
9
3
(a+d)(cc)*c?b*
(a+d+b*)b*c?
db
baccccc
23
(bc+c+d)*
8
3
(d+b?c)*
7
4
(d+(b+cdb?)?c)*
c+b*+(c+d)*
ccbcdcdd
ddcbbd
24
b??(b+d+c*)
10
3
b?(b+d+c*)
9
3
bc?+b?(b+d+c*)
(b+c+c)(b+c)d*
bccdccc
25
(c+c*)(a*+c+c)
11
3
c*a*
5
2
c*(c(ca)?a+a*)
(a*+c*)c?*
cccccaa
aaacaa
26
b*+(a+c)b*
9
3
(a+c)?b*
7
3
(b+(a+c+bb)b*)?
a+a+c+a*b*
abb
bbcbbbbb
27
a*c*+b+b+bc
13
3
(b+a*c*)c?
10
4
bc?+a*(ac+c*)
(a+c)c*+(b+c)*
acccc
acacccc
28
(a+c)(b+d)c*c?
13
3
(a+c)(b+d)c*
10
3
(a+c)(b+d)c*
(a+c+b*)(d*+d*)
abcccccc
abcccdcc
29
(a*+b*)(bc+c+c)
13
3
(a*b?+b*)c
10
4
(a*(b+ab?)+b*)c
(a?+b?)(b*+c+c)
aaaaabc
abcb
30
(a*+c*)(a+a+a+c)
13
3
(a*+c*)(a+c)
9
3
aa*+(a*+c*)(a+c)
a?c*(aa+a+c)
cc
cccaa
31
(ab+b+c)(c*+c*)
13
3
(c+a?b)c*
9
4
c+(cc+a?b)c*
(c+a*)a*(b+c)
abccc
cacc
32
a*aa+(a+d)c*
13
3
aa*+(a+d)c*
11
3
aa*+(a+d)c*
(a+c+a+c)(c+d)d*
dccc
adcccccc
33
(d+d*)(c?+cc)
11
3
d*c?c?
8
3
(d*(c+d))?c?+d*
(c+c*)(cc+d*)
ddddcc
dcdddc
34
(a+a)*+b*c?
10
3
b*c?+a*
8
3
b?(b*c)?+a*+b*
(a?+c?)(a+b)*
aa
baaaa
35
(a+b)(c+d)d?*
11
3
(a+b)(c+d)d*
10
3
(a+b)(c+c?d*d)
(a*+b*)b*cd
bcdddd
acdddbd
36
(a+a)c?(a+d)*
11
3
ac?(a+d)*
9
3
a(c?(a+d)*+d*)
a*a?(ac+d*)
adddaddd
ccaddad
37
(a+b+a+c)(c*+c*)
13
3
(a+b+c)c*
8
3
(a+b+c)c*+(b+c)c
(a+b)c*+c*+c*
cccccc
aac
38
(a+a+d)(a+b)*
10
3
(a+d)(a+b)*
8
3
(a+d)(a+b)*+a*a
(a+b)d*+d*+d?
dbbaaab
abbbbadb
39
(a+c)*(a+c+d*)
11
3
(a+c)*d*
7
3
a*((a+c)*d*+c*)
(a+a)c*d?d?
aacaadd
caaacddc
40
b*+bc+(b+d)c*
13
3
(b+d)c*+b*
9
3
(b+d)(cc)*c?+b*
(b+b)*(c+d+d*)
dcccccc
dcdcc
41
b?b?c**
9
3
b?b?c*
8
3
b(bc*)?+b?c*
c*b*?
ccccc
cbc
42
(a+d+bd)d*d?
13
3
(a+b?d)d*
9
4
(a+(b+a?d)?d)d*
aad*(b*+dd)
d
dddddad
43
b*c*+bd+c?
12
3
bd+b*c*
9
3
b(d+b*b)+b*c*
b?+d+d+(c+d)*
bb
bbcccccd
44
(ad+b?)(c*+c?)
12
3
(b+ad)?c*
9
4
((b+ad+b?c)c*)?
(a+b+b*)(c?+d+d)
bcccccc
aacccc
45
(a+c+a+c)b*c?
13
3
(a+c)b*c?
9
3
(a+c)(b*(c+bc?))?
(c+a*)(a?+b+b)
abbbbbb
aabbbbc
46
(b*+d?)(b*+d?)
11
3
(d+b*)(d+b*)
9
3
(d+b*)(d+b*)+(bb)*
(b*+b+b)(b+d)(b+d)
bbbbd
ddbbbbb
47
a**+(b+c)*
8
3
a*+(b+c)*
7
3
b*(c(bc?)*)*+a*
a*c?(b+b)c*
ccccbbc
baccbbcc
48
b*b*(c+d)d*
12
3
b*(c+d)d*
9
3
bd+b*(c+d)d*
b+d*+b?c*
bbbcd
bdbdddd
49
(b*+c*)(c+c)?
10
3
b*c?+c*
8
3
bb+b*(bc)?+c*
(b*+bc)c?*
ccccbc
50
d(a+a)+(c+d)*
10
3
da+(c+d)*
8
3
d(a+d+cc)+(c+d)*
d+a*+c*d?
cddcccdc
cdddaccd
51
(c+c*)(a?+c+d)
11
3
c*(a+d)?
7
3
(a+c*(d+c(a+d)?))?
a*(a+a)(c*+d*)
ccd
cccac
52
(a+c)*+ad+d?
11
3
a?(d+(a+c)*)
9
4
d+a(a+d)?+(a+c)*
(a+d+c*)c?*
acccca
acaadccc
53
(b*+d*)(bc+c+c)
13
3
(d*b?+b*)c
10
4
((d+b*)b+d*b?)c
(c+d+d)(b*+d*)
bbc
bbdbbbc
54
(a+c+c?)c?d*
12
3
((a+c)c?)?d*
10
4
(a+(a+c)?(c+d))?d*
(a?+c+c)(c+d+d*)
add
daddd
55
(b*+dd)c*?
10
3
(dd+b*)c*
9
3
((c+bb*+dd)c*)?
(b*+c?)(cd)*
b
dbbbbbbb
56
b*b*+c*(c+d)
12
3
c*d?+b*
8
3
c+c*(d+cc)+b*
cd*+b*d*
b
bbdbbbb
57
(a+c)*(c*+d+d)
11
3
(a+c)*d?
7
3
c*(a+d)+(a+c)*d?
c*(a+a+c+d)
caaaccaa
dcaacca
58
(a+b+bb)b*d*
13
3
(a+b)b*d*
9
3
(a+(ab)?b)b*d*
a*?(bb+d?)
bbbdddd
abdb
59
(a?+d+d)b*c?
12
3
(a+d)?b*c?
10
4
(a+d)?b*c?+b*
a**(b+c)(c+d)
abbbbbbb
dbbbbca
60
(b+b+d)a*d*
11
3
(b+d)a*d*
9
3
(b+d)(a*(a+d)d*)?
a+d+b*+(b+d)*
dadd
adaaaadd
61
(a+d)(b+b)+(b+c)*
12
3
(a+d)b+(b+c)*
10
3
(a+d)?b+(b+c)*
a*b?(c+c+cd)
cbcccbcb
bdbbbbcc
62
c*(c+d)+c+d+d*
13
3
c*d?+d*
8
3
(d+cc*)d?+d*
(d+d*)c*(c+d)
ccccccd
cdccc
63
(c+d?)(b+b)*
9
3
(c+d)?b*
7
3
(c+d)?b*
b*c*+bd+c?
dbbb
dbcbbbb
64
(b+c*)(a+a)d*
11
3
(b+c*)ad*
9
4
(b+(cc)*c?)ad*
(a*+aa)(b+d+c?)
ccccad
adddddda
65
(c+c)d*(c+d)*
11
3
c(c+d)*
6
3
(cdd*)?c(c+d)*
(c+c+c+c)(c+d)*
cddcccdc
dcccdcdd
66
a*+aa+b*(b+c)
13
3
b*c?+a*
8
3
bb+b*(b+c)+a*
a*(a+a)(b*+c+c)
aaaaa
bbbca
67
a*c?(b?+c?)
11
3
a*(c?(b+c))?
10
4
a*((a+c)c+c?b?)
a*(c+c)(a?+b?)
aaaaaaa
aaacca
68
ba*c?*
8
3
ba*c*
7
3
ba?(cc+a*c*)
(a+c)*+(b+b)cc
bac
bacccbc
69
b+ac+b*c*
11
3
ac+b*c*
9
3
(a+cc?)c+b*c*
a*(c+c)b*c*
bbbbbbcc
bbbbab
70
a*c*+c*+c+c
12
3
a*c*
5
2
a*((c+aa)c?+c*)
a**c*cc
cc
aacaaccc
71
a*?(b?+b+c)
10
3
a*(b+c)?
7
3
(aa)*a?(b+c+a*)
a?*(bc)*
a
aaaaacab
72
(a+a)cc+(c+d)*
12
3
acc+(c+d)*
10
3
(a+cd)cc+(c+d)*
(a?+a+d)(c+c)*
dcccdcdd
accdcc
73
a?*(a+b)(a+c)
11
3
a*(a+b)(a+c)
10
3
ac+a*(a+b)(a+c)
(a+c+b*)(c*+c+c)
ac
aaaaabb
74
b**(bd+c*)
10
3
b*(bd+c*)
9
3
b*(b(d+cc)+c*)
b*+b+b+b*(c+d)
cccccc
bdbbbbcc
75
a*a*(a+c+a+d)
13
3
a*(a+c+d)
8
3
c+a*(d+a(c+d)?)
a*c*+ac+dd
aa
aaacd
76
a?b*(a?+b+b)
12
3
a?b*a?
8
3
((a+b)b+a?b*)a?
(a?+b*)(aa)*
bb
abbabba
77
(b+a*)(d*+d?)
10
3
(b+a*)d*
7
3
a*(ad*)?+b?d*
(a+b)*b*d?
aaaddd
ddadddd
78
(a*+b?)(b?+c?)
11
3
(b+a*)(b+c)?
9
3
ab?+(b+a*)(b+c)?
a?+b+c+(a+c)*
aaa
acc
79
(b+a*)c**
8
3
(b+a*)c*
7
3
(b+a*)c*+c?c?
(a+a+b?)(a+c)c*
aaaaaaa
cccacccc
80
(b+c)c?d*d?
12
3
(b+c)c?d*
9
3
(b+c)c?d*+c?c
(b*+bb)(c+d)?
cddddd
bcdddb
81
a?c*(bd+d+d)
13
3
a?c*b?d
10
4
(a+c)?(c*(b+c))?d
(a+c+a+c)b*d*
accd
accad
82
(a*+b?)(a+a+c?)
12
3
(b+a*)(a+c)?
9
3
a*c?+b?(a+c)?
(a+b)c*(b*+c+c)
aac
aaaabaaa
83
(a+d)b?d**
10
3
(a+d)b?d*
9
3
(a+d)(b+(b?d)?d*)
(a+d*)(b*+b*)
d
ada
84
(a?+ac)(b+d)*
11
3
(ac?)?(b+d)*
10
4
db+(ac?)?(b+d)*
(b+c*)(a+a)d*
acbbd
ddddabb
85
(c+a+b)c*c?
11
3
(a+b+c)c*
8
3
c+(a+b+cc)c*
(aa+b*)(c*+cc)
b
cac
86
(a+c+d?)c?*
10
3
(a+d)?c*
7
3
(a+d)?c*
a*d*+aac?
cccd
87
a*ab+b*d*
12
3
a*b+b*d*
10
3
(b+aa*)b+b*d*
a*(a+b)+b?d*
bbbbbbbb
aaaaad
88
a*d*(b*+c?)
11
3
a*d*(c+b*)
10
3
(dd+a*d*)(c+b*)
(c+c*)(a+b)d?
aaaaaa
cdddb
89
(a+b+dd)d**
11
3
(a+b+dd)d*
10
3
dd+(a+b+dd)d*
a*(b+b)(a?+d*)
adddddd
bdbddd
90
(a+d+d?)b*d?
12
3
(a+d)?b*d?
10
4
(a+d)?(bd+b*d?)
dd*(a*+b+b)
bbbbbd
abbbabd
91
db*d**
8
3
db*d*
7
3
d(d(dd)?+b*d*)
d+b+d+b*d*
dbbbbb
dbbdbbbb
92
b*d*(b?+dd)
12
3
b*d*b?
8
3
(bb)*b?d*b?
db*(d*+d+d)
ddd
ddbd
93
(a+c+b+d)c**
11
3
(a+b+c+d)c*
10
4
cc+(a+b+c+d)c*
(a+b+ad)(c*+c+c)
acc
ccccac
94
a*d*+b*(d+d)
12
3
a*d*+b*d
10
3
(d+b*)d+a*d*
a?b*+bb+d*
aaddd
aaaaaadb
95
b?b?(c*+c*)
11
3
b?b?c*
8
3
((c+b?b)c*)?c?
b*(c+c)c*?
bcccccc
bbccbcc
96
(a*+aa)(bd)*
11
3
a*(bd)*
7
3
a*((bd)*bd)?
(a?+d?)b**
aaaabd
aaaabaa
97
(c+b*)c*?
8
3
b*c*
5
2
(b(c+bb?)+b*)c*
b?*+(b+c)c*
bcccc
bcbcccc
98
(a+c)d*(b+d+dd)
14
3
(a+c)d*(b+d)
10
3
cb+(a+c)d*(b+d)
(a+d+c+d)(b*+b?)
adddb
cdbd
99
(a?+ab)(a+c)*
11
3
(ab)?(a+c)*
9
3
cc+(ab)?(a+c)*
a*(b+b)c?*
cccccaaa
aabcaaaa