Regex Tester

Test regular expressions with live match highlighting in your browser.

Regex pattern

Enter a pattern and flags, then see matches highlighted below.

Pattern

Flags

Test string

Highlighted matches

Match results (2 found)

Match 1: support@example.comat index 14

Match 2: sales@company.orgat index 37

How it works

Enter a regex pattern and test string. Matches are highlighted in real time with capture groups shown below.

g (global), i (case-insensitive), m (multiline), s (dotall). Add flags after the pattern like /pattern/gi.

Email: ^[\\w.-]+@[\\w.-]+\\.\\w+$ | URL: https?://[^\\s]+ | Phone: \\d3-\\d3-\\d4