DevToolkit/Regex Tester

Regex Tester

Test regular expressions with live matching and flag support.

//gi
Flags:
Highlighted Matches2 matches
Contact us at hello@devtoolkit.app Or reach support@example.com for help. Invalid: not-an-email or @missing
Match Details
#1
hello@devtoolkit.app@14
g1: hellog2: devtoolkit.app
#2
support@example.com@44
g1: supportg2: example.com

FAQ

What is a regular expression?

A regex is a sequence of characters that defines a search pattern, used for string matching, validation, and text manipulation.

What do the flags mean?

g=global (find all matches), i=case insensitive, m=multiline, s=dotAll (. matches newlines), u=unicode mode.