c$
c\$
^abc
abc$
^abc\$
^abc.
45
^56[67]
.56[67]
x[Aa][Bb]
x[^Aa]
[Aa][^b]
abcd*
566?7
[r-v]
56*7*
56+7+
56?7?
566?7
987|789
abc|[def]
.*[Aa][Bb].*12.*
.*12.*[Aa][Bb]
.*[Aa]b.*12.*|.*12.*[Aa]b.*
.*([Aa]b.*12.*|.*12.*[Aa]b).*
abc[def][m-x]*
^[Ss]uite\.\.\..*