Encoders & Converters
Regex Tester
Test a regular expression against sample text.
❓ Frequently Asked Questions
What is the Regex Tester used for?
Test a regular expression against sample text and see the matches.
Is the Regex Tester free and private?
Yes — it's completely free and runs entirely in your browser. Whatever you enter stays on your device and is never uploaded to any server.
Do I need to install anything to use the Regex Tester?
No. It works in any modern web browser on desktop, tablet, or phone — no downloads, no browser extensions, and no account required.