Regular Expressions 101

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/
\((.*)\)([A-Z,a-z,$])
/
g
\( matches the character ( with index 4010 (2816 or 508) literally (case sensitive)
1st Capturing Group
(.*)
.
matches any character (except for line terminators)
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
\) matches the character ) with index 4110 (2916 or 518) literally (case sensitive)
2nd Capturing Group
([A-Z,a-z,$])
Match a single character present in the list below
[A-Z,a-z,$]
A-Z matches a single character in the range between A (index 65) and Z (index 90) (case sensitive)
, matches the character , with index 4410 (2C16 or 548) literally (case sensitive)
a-z matches a single character in the range between a (index 97) and z (index 122) (case sensitive)
,$
matches a single character in the list ,$ (case sensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/
g

Test String