Developer
Regex Tool
Generate, edit and test regular expressions for emails, URLs, IP addresses, UUIDs, numbers and common validation patterns.
Tool
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About this Tool
Use this free regex tool to choose a common validation preset, see what it checks, test your own text and copy the final regular expression. Each preset includes a plain-language description plus valid and invalid examples.
Examples
- Email Address
- IPv4 Address
- UUID
Frequently Asked Questions
Who is this tool for?
It is useful for anyone who needs to validate text without writing a regular expression from scratch.
Can I edit the regex pattern?
Yes. Presets fill the pattern automatically, and you can edit the regex or enter your own custom pattern.
Does it replace the regex tester?
Yes. The tester is integrated, so the same page shows whether your test text matches the selected pattern.
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