KLOORARegex Tester
Test a regular expression against text and see every match highlighted with its position.
Quick answer: Regex Tester: Test a regular expression against text and see every match highlighted with its position. Everything runs in your browser, so nothing you enter is uploaded or stored.
How to use Regex Tester
- Open the tool and enter your input.
- Adjust the options and watch the result update.
- Copy or download what you need.
Features
- Free, no signup
- Runs in your browser, nothing is uploaded
- Works on phone and desktop
- No watermark
Frequently asked questions
Which regex flavor does it use?
JavaScript regular expressions, the same engine your browser uses.
What do the flags mean?
g finds all matches, i ignores case, m makes ^ and $ match each line, and s lets the dot match new lines.
Why do I get no matches?
Check that your pattern is escaped correctly and that the g flag is on if you want every match.
Is the Regex Tester free?
Yes. It is free, needs no signup and works on any device.