Regex Tester - free online tool
Test a JavaScript regular expression against your text and see every match.
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Privacy: this tool runs in your browser. Your input is not sent to our server.
How to use Regex Tester
Enter a pattern without slashes, set flags and paste your text.
Example
Pattern \d+ on "a1 b22" finds 1 and 22.
Frequently asked questions
Which regex flavour is this?
JavaScript. Other languages may differ slightly.
Why do I always see all matches?
The g flag is added automatically so every match is listed.