pattern
string
match
A*
Z
YES
A*
AA
YES
A*
AAA
YES
A*
AAAA
YES
A+
Z
NO
A+
AA
YES
A+
AAA
YES
A+
AAAA
YES
A?
Z
YES
A?
AA
YES
A?
AAA
YES
A?
AAAA
YES
A{3}
Z
NO
A{3}
AA
NO
A{3}
AAA
YES
A{3}
AAAA
YES