Regular Expression Tester
This regular expression tester tests a regular expression against sample text and lists every match and group. It runs entirely in your browser, so results are instant and nothing you enter is uploaded.
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Your input is processed locally in your browser and is not uploaded or stored.
What this tool does
Pattern matching against text with capture groups. This regular expression tester is free, works on desktop and mobile, and requires no sign-up.
Also useful for: regex generator, regex match extractor, regex tester, regex to see if something is in base 32.
Features
- Handles regular expression tester with instant, in-browser results
- No account, no upload and no usage limits
- Copy or download results in one click
How to use it
- Enter your input for the regular expression tester
- Read the result as it updates
- Copy or download what you need
Common uses
- Everyday regular expression tester work
- Quick checks while coding or writing
- Learning how the format behaves
Good to know
- For very large inputs, processing speed depends on your device
Frequently asked questions
Is the regular expression tester free to use?
Yes. Every tool on the site is free, needs no account and has no usage limits.
Is my data uploaded anywhere?
No. The tool runs entirely in your browser, so your input never leaves your device.