Regex Tester

Part of Developer Tools

Write and test regular expressions in real-time, matching patterns and finding captures.

Regular Expression Pattern

Regex Flags

Target Test String

Enter your Regular Expression (e.g. ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$)
Provide regex flags (g: global, i: case-insensitive, m: multiline).
Type test strings to view highlighted match groups, capturing indexes, and total count.