Regular Expressions 101

Pro

Positive Lookbehind(?<=\{classNames.*\(\{(?:.|\n)*')

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

classNamesthe literal text classNames (case sensitive)

.*any character (except for line terminators), repeated any number of times

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Non-Capturing Group(?:.|\n)*

*repeats the group contents below any number of times:

1st Alternative.

.any character (except for line terminators)

2nd Alternative\n

\na line-feed (newline) character (ASCII 10)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

.*any character (except for line terminators), repeated any number of times

Positive Lookahead(?=')

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Global pattern flags

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

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26 tokens

(?<=\{classNames.*\(\{(?:.|\n)*').*(?=')

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