Regex Tester
Test regular expressions with live highlighting.
How to use Regex Tester
- Add your content Type or paste into the box. Nothing is uploaded — this runs in your browser.
- Set the options Adjust the settings to suit what you need.
- See the result The result updates instantly as you change things.
- Copy or download Copy the result to your clipboard, or download it as a file.
This tool runs entirely in your browser. Nothing you enter is uploaded, stored or seen by us.
Write a pattern, paste some text, and see every match highlighted as you type, with capture groups listed.