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RegExr

Building and testing regular expressions

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#2405in Developer Tools
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Description

Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable communi…

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RegExr screenshot 1

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RegExr FAQ

What is RegExr?

Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.

Do I need to download RegExr?

No. RegExr runs in your browser at regexr.com, so there's nothing to install.

What are the best RegExr alternatives?

Popular alternatives to RegExr include regex101, Nutilz and GitHub. See all RegExr alternatives