Regular Expressions 101

Pro

1st Alternative([\"'])(?:\\.|(?!\1)[^\\])*?\1(*SKIP)(*F)

Group 1([\"'])

Character Class[\"']

\"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

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

1st Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

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

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*F)forces the current match attempt to fail at this position

2nd Alternative(?:[^\\"']|\\.)+

Non-Capturing Group(?:[^\\"']|\\.)+

+repeats the group contents below at least once:

1st Alternative[^\\"']

Negated Character Class[^\\"']

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

2nd Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character (except for line terminators)

Global pattern flags

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

No unit tests · Add a test to get started

25 tokens

([\"'])(?:\\.|(?!\1)[^\\])*?\1(*SKIP)(*F)|(?:[^\\"']|\\.)+

There are no unit tests, click to add some.