Developer Tool
Regex Tester
Test a regex pattern and inspect all matches.
Developer
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Test and refine your regular expressions against sample text in real-time. It highlights matches and provides immediate feedback, helping you build complex patterns without the trial-and-error of manual testing.
FAQ
How do you test regex online?
This regex tester lets you try patterns and flags against sample text and inspect matches in the browser.
When is a regex tester useful?
It is useful for validation rules, parsing patterns, search tasks, cleanup scripts, and debugging regular expressions.
Can you test different flags with the same pattern?
Yes. The tool lets you adjust flags and immediately see how the match results change.
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