Regex Tester

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Test your JS regular expressions with real-time highlighting.

Regular Expression (JS flavor)

Test String

Matches

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Your patterns and strings stay in your browser.

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update v1.0

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Enter a JS regex pattern (e.g., /abc/i) and test string to see matches.

Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.