🎯 Regex Tester

Type and test instantly, with matches highlighted in real time. Stop guessing your regex.

Regex pattern

g Global i Case-insensitive m Multiline s Dot matches newline

Test text

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FAQ

What if the page freezes?

It's usually a catastrophic backtracking pattern (for example (a+)+$ against a long string). Simplify the expression, add boundaries to quantifiers, and refresh the page to recover.

Can't remember the syntax?

Check this Regex Cheatsheet and copy common patterns directly.