Developer Tools

Regex Pattern Library & Live Matcher

Browse production-ready Regular Expressions for emails, URLs, IP addresses, strong passwords, dates, and test them with live validation.

Active Pattern Tester

Valid Match

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Includes common patterns for email validation, URLs, IPv4, complex passwords, ISO dates, phone numbers, and UUIDs.

Yes, you can test any pattern in the interactive validator at the top.

Click the copy button next to any expression to copy it to your clipboard.