Common Regex Library

Summary

Find, test, and copy ready-made regex patterns for dozens of common validation tasks.

How it works

1. Search or browse categories
2. Click a pattern to open it in the tester
3. Adjust flags or anchors as needed
4. Copy the pattern for your code

Use cases

• Finding a reliable email regex quickly
• Getting a battle-tested URL pattern
• Reusing validated patterns instead of writing from scratch

Frequently Asked Questions