Regular Expressions 101

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/
^..(.[!)3G^w]|$)|\^.{7}$|G\)
/
gm
1st Alternative
^..(.[!)3G^w]|$)
^ asserts position at start of a line
. matches any character (except for line terminators)
. matches any character (except for line terminators)
1st Capturing Group
(.[!)3G^w]|$)
1st Alternative
.[!)3G^w]
. matches any character (except for line terminators)
Match a single character present in the list below
[!)3G^w]
!)3G^w
matches a single character in the list !)3G^w (case sensitive)
2nd Alternative
$
$ asserts position at the end of a line
2nd Alternative
\^.{7}$
\^ matches the character ^ with index 9410 (5E16 or 1368) literally (case sensitive)
.
matches any character (except for line terminators)
{7} matches the previous token exactly 7 times
$ asserts position at the end of a line
3rd Alternative
G\)
G matches the character G with index 7110 (4716 or 1078) literally (case sensitive)
\) matches the character ) with index 4110 (2916 or 518) 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