Regular Expressions 101

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/
\?[^$w]\$$|[]C^]\w$|w.]|\w.\)
/
gm
1st Alternative
\?[^$w]\$$
\? matches the character ? literally (case sensitive)
Match a single character not present in the list below
[^$w]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
$w matches a single character in the list $w (case sensitive)
\$ matches the character $ literally (case sensitive)
$ asserts position at the end of a line
2nd Alternative
[]C^]\w$
Match a single character present in the list below
[]C^]
]C^ matches a single character in the list ]C^ (case sensitive)
\w matches any word character (equivalent to [a-zA-Z0-9_])
$ asserts position at the end of a line
3rd Alternative
w.]
w matches the character w literally (case sensitive)
. matches any character (except for line terminators)
] matches the character ] literally (case sensitive)
4th Alternative
\w.\)
\w matches any word character (equivalent to [a-zA-Z0-9_])
. matches any character (except for line terminators)
\) matches the character ) literally (case sensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
m modifier: multi line. Causes ^ and $ to match the begin/end of each line (not only begin/end of string)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/
gm

Test String