Free Tool

Regex Tester

Live JavaScript regex tester with highlighted matches, capture groups and a replace mode. Pick from common patterns to start.

Common:

Test string2 matches

Highlighted matches

Email me at hello@example.com or support@my-site.co.uk.
Call us at +1 (555) 123-4567 or +91 98765 43210.
Visit https://tools.amitpalsingh.com for more info.
Server IP: 192.168.1.1, deployed on 2026-05-04.
PAN: ABCDE1234F · Aadhaar: 1234 5678 9012

Replace mode