Regex tester
Try regular expressions against any text.
2 matches
- "hello@privvert.com" at index 12
- "test@example.org" at index 34
About this tool
Test JavaScript regular expressions against sample text with live highlighting and a list of matches and capture groups.
Features
- Live match highlighting
- Capture groups view
- g/i/m/s flag toggles
- Replace mode
How to use it
- Type a regex.
- Paste sample text.
- Inspect highlighted matches.
🔒 100% private
Everything happens inside your browser using JavaScript and WebAssembly. Your files are never uploaded to a server, never stored, and never seen by us.
Frequently asked questions
Which regex flavor?
ECMAScript / JavaScript regex - the same engine your browser uses.