Regular Expressions 101

Pro

Group 1(['\"])

Character Class['\"]

'the literal ' (39₁₀ / 47₈ / 27₁₆)

\"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 2((?:\\.|(?!\1)[^\\])*)

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

*repeats the group contents below any number of times:

1st Alternative\\.

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any Unicode 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

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

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

New

Test Text 1 "Test Text \" 2"
Test Text 1 'Test Text \' 2'
Test Text 1 "Test Text \" 2

Test Text 1 "Test Text \" 2"
Test Text 1 'Test Text \' 2'
Test Text 1 "Test Text \" 2