regex101: JavaScript Match Workspace

Pro

Group 1(['"])

Character Class['"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:\\[\s\S]|(?!\1)[^\\])*?

*?repeats the group contents below any number of times:

1st Alternative\\[\s\S]

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Character Class[\s\S]

\sany whitespace character

\Sany non-whitespace character

2nd Alternative(?!\1)[^\\]

Negative Lookahead(?!\1)

\1the text saved by group 1

Negated Character Class[^\\]

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\1the text saved by group 1

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

26 tokens

Regular Expression

(['"])(?:\\[\s\S]|(?!\1)[^\\])*?\1

New

We are looking for phrases within quotes and it can be multiline "check we have a \"return\" here but this line is still part of previous one 'a' string".

It breaks once we have another 'testing with single \'quotes\' "surrounding" double quotes';

Substitution

We are looking for phrases within quotes and it can be multiline "check we have a \"return\" here but this line is still part of previous one 'a' string".

It breaks once we have another 'testing with single \'quotes\' "surrounding" double quotes';