Regex Tester
Type a pattern and flags, then paste text to see matches, groups, and replacements in real time. Everything runs locally in your browser.
Test & Debug Regular Expressions
Client-side onlyFast & private
Pattern
Flags
Mode
Test or Replace
Supports $&, $1, $name, etc.
Info
Matches0
Time0.00 ms
Input size0 B
Input
No inputPattern is empty
Output
ErrorPattern is empty
Matches
0No matches.
Part of
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