Regular Expressions 101

Pro

1st Alternative|"hide":).)*+"hide":true\b(?:(?!-->).)*/-->(*SKIP)(*F)

<!--the literal text <!--

Non-Capturing Group(?:(?!-->|"hide":).)*+

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

Negative Lookahead(?!-->|"hide":)

1st Alternative-->

-->the literal text -->

2nd Alternative"hide":

"hide":the literal text "hide": (case sensitive)

.any character (except for line terminators)

"hide":truethe literal text "hide":true (case sensitive)

\ban ASCII word boundary

Non-Capturing Group(?:(?!-->).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!-->)

-->the literal text -->

.any character (except for line terminators)

/-->the literal text /-->

(*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|"user":).)*"user":"\K[^"]+(?="(?:(?!-->).)*-->)

<!--the literal text <!--

Non-Capturing Group(?:(?!-->|"user":).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!-->|"user":)

1st Alternative-->

-->the literal text -->

2nd Alternative"user":

"user":the literal text "user": (case sensitive)

.any character (except for line terminators)

"user":"the literal text "user":" (case sensitive)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

Negated Character Class[^"]+

+matches at least one character outside the set below:

"the literal " (34₁₀ / 42₈ / 22₁₆)

Positive Lookahead(?="(?:(?!-->).)*-->)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Non-Capturing Group(?:(?!-->).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!-->)

-->the literal text -->

.any character (except for line terminators)

-->the literal text -->

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

No unit tests · Add a test to get started

25 tokens

Regular Expression

<!--(?:(?!-->|"hide":).)*+"hide":true\b(?:(?!-->).)*/-->(*SKIP)(*F)|<!--(?:(?!-->|"user":).)*"user":"\K[^"]+(?="(?:(?!-->).)*-->)

Unit Tests

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