Free Regex Tester Online

Test regular expressions instantly with live feedback, match highlighting, and replacement support. This free regex tester is useful for developers, data analysts, and anyone working with patterns or validation rules.

Enter Regex Pattern:

Text to Test:

Global (g) Ignore Case (i) Multiline (m)

Result:

Your regex results will appear here...

Common Patterns:

Email: ^\w+@\w+\.\w+$
URL: https?://[^\s]+
Phone: ^\d{3}-?\d{3}-?\d{4}$
IP Address: \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}