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Regex Tools

Regex tools for every skill level: interactively test patterns with live match highlighting, read plain-English explanations of any regex, build expressions from a visual UI, browse a library of common patterns, and run find-and-replace with capture group references.

5 tools

Popular

Regex Tester
Test and explain regular expressions with live highlighting.
Popularopen

All Regex Tools

Regex Cheatsheet
Every metacharacter, quantifier and flag at a glance.
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Regex Builder
Build regular expressions from a visual UI.
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Regex Library
Copy-paste common regex patterns.
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Regex Replace
Find and replace with capture group references.
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About Regex Tools

Regex tools for every skill level: interactively test patterns with live match highlighting, read plain-English explanations of any regex, build expressions from a visual UI, browse a library of common patterns, and run find-and-replace with capture group references. All regex tools on TryDevTools run entirely in your browser — no data is sent to any server, and no account is required.