Regular Expressions 101

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/
(^"|")(.*?)(", |"$)
/
g
1st Capturing Group
(^"|")
1st Alternative
^"
^ asserts position at start of the string
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
2nd Alternative
"
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
2nd Capturing Group
(.*?)
.
matches any character (except for line terminators)
*? matches the previous token between zero and unlimited times, as few times as possible, expanding as needed (lazy)
3rd Capturing Group
(", |"$)
1st Alternative
",
",
matches the characters ", literally (case sensitive)
2nd Alternative
"$
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
$ asserts position at the end of the string, or before the line terminator right at the end of the string (if any)
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

Substitution

Processing...