Regex Tester Online Free — Test Regular Expressions

Test and debug regular expressions in real-time.

Regular Expression

//g

Flags

Test String

Enter regex and test string to see results

Frequently Asked Questions

What regex flags are supported?▼

Global (g), case insensitive (i), multiline (m), and dotAll (s) flags are supported.

Are my regex patterns saved?▼

No. Everything runs in your browser. Nothing is stored or uploaded.