Regular Expressions 101

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/
^("([^"]|\\")*?")$|^('([^']|\\')*?')$|^(`([^`]|\\`)*?`)$
/
gm
1st Alternative
^("([^"]|\\")*?")$
^ asserts position at start of a line
1st Capturing Group
("([^"]|\\")*?")
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
2nd Capturing Group
([^"]|\\")*?
*? matches the previous token between zero and unlimited times, as few times as possible, expanding as needed (lazy)
A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data
1st Alternative
[^"]
Match a single character not present in the list below
[^"]
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
2nd Alternative
\\"
\\ matches the character \ with index 9210 (5C16 or 1348) literally (case sensitive)
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
$ asserts position at the end of a line
2nd Alternative
^('([^']|\\')*?')$
^ asserts position at start of a line
3rd Capturing Group
('([^']|\\')*?')
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
4th Capturing Group
([^']|\\')*?
*? matches the previous token between zero and unlimited times, as few times as possible, expanding as needed (lazy)
A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data
1st Alternative
[^']
Match a single character not present in the list below
[^']
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
2nd Alternative
\\'
\\ matches the character \ with index 9210 (5C16 or 1348) literally (case sensitive)
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
$ asserts position at the end of a line
3rd Alternative
^(`([^`]|\\`)*?`)$
^ asserts position at start of a line
5th Capturing Group
(`([^`]|\\`)*?`)
` matches the character ` with index 9610 (6016 or 1408) literally (case sensitive)
6th Capturing Group
([^`]|\\`)*?
*? matches the previous token between zero and unlimited times, as few times as possible, expanding as needed (lazy)
A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data
1st Alternative
[^`]
Match a single character not present in the list below
[^`]
` matches the character ` with index 9610 (6016 or 1408) literally (case sensitive)
2nd Alternative
\\`
\\ matches the character \ with index 9210 (5C16 or 1348) literally (case sensitive)
` matches the character ` with index 9610 (6016 or 1408) literally (case sensitive)
` matches the character ` with index 9610 (6016 or 1408) literally (case sensitive)
$ asserts position at the end of a line
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.

Regular Expression
No Match

/
/
gm

Test String