Regex Validator

Summary

Enter a pattern and test strings to see matches, groups, and flags in real time.

How it works

1. Enter your regex pattern
2. Set flags (g, i, m, s)
3. Type test strings
4. See matches and capture groups highlighted

Use cases

• Validating email or phone number patterns
• Debugging complex parsing expressions
• Testing regex before adding to production code

Frequently Asked Questions