[a*b]
ab=1
aaaab=1
b=1
aabc=0
sucker=0

[\[u-z\]*b]
ub=1
uvwxyzb=1
b=1
uvbc=0
sucker=0

[\[\]ac\]*b]
]acb=1
]dcb=0

[\[^\]\]*b]
b=1
ab=1
]b=0

[a+b]
ab=1
aaaab=1
b=0
aabc=0

[a.b]
axb=1
aaaab=0
b=0
ab=0
abc=0

[a?b]
ab=1
aaaaab=0
b=1
aab=0
acb=0

[\[\[:alpha:\]\]*]
ab=1
xyz=1
aaaaab=1
a1b=0

[ab\\>.*\\<cd]
ab cd=1
ab ff cd=1
abcd=0
cd ab=0
abcd=0

[\\>cd]
cd=0

[ab\\<]
ab=0

[ab\\>.*]
ab cd=1
cd=0

[\\<cd]
cd=1
acd=0

[ab?.?\\<cd]
ab cd=1
abcd=0
a cd=1

[ab\\b.\\bcd]
ab.cd=1
acd=0

[ab\\Bcd]
abcd=1
abfcd=0
ab cd=0

[ab\\w.\\Wcd]
abxyzcd=0
abxy/cd=1
acd=0

[ab\\Bcd]
abcd=1
abfcd=0
ab cd=0

[ab|cd]
ab=1
cd=1
abc=0
abcd=0
cdab=0
xxx=0

[a(bc|de)f]
abcf=1
adef=1
acdf=0
abc=0
def=0

[a(bc|bcd)e]
abce=1
abcde=1
abe=0

[\\*\\(\\[]
a=0
*=0
*([=1

[a(bc|bcd|bcde)f]
abcf=1
abcdf=1
abcdef=1
abf=0

[a(bc|bcd|bcde)*f?]
abcdbcf=1
abcdbcf=1
abcdebcdbcf=1
abcdebcdbc=1
abf=0

[a{3,5}b]
ab=0
aab=0
aaab=1
aaaab=1
aaaaab=1
aaaaaab=0

[a{3}b]
ab=0
aab=0
aaab=1
aaaab=0
aaaaab=0
aaaaaab=0

[a{3,}b]
ab=0
aab=0
aaab=1
aaaab=1
aaaaab=1
aaaaaab=1

[a(bc|de)\\1z]
abcbcz=1
adedez=1
abcz=0
abc\\1z=0