Devtools
Regex Tester
Test regular expressions against text with live matches, capture groups, and detailed results.
100% Private
Files never leave browser
Fast Processing
Batch convert in seconds
High Quality
100% accurate output
Input & Settings
Preview & Workspace
About Regex Tester
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No Uploads
Runs entirely in your browser
Multiple Formats
Convert between 20+ formats
Batch Processing
Handle multiple files at once
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