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Regex Tester
Test a regular expression against sample text and see every match, live. This tool uses your browser's regular-expression engine directly.
Try it now
💡 Good to know: "Regular expression" comes from 1950s mathematics (Kleene's regular languages), long before it meant searching text.
Worked example
Runs in your browser.
Learn the method
Inputs
- Pattern
\b\w+@\w+\.\w+ - Flags
g - Test text
email [email protected] and [email protected]
Frequently asked
Which regex flavor?
JavaScript's RegExp — the same engine your browser uses.
Is my text uploaded?
No, matching runs locally in the page.