Regex Tester
Test and debug regular expressions in real-time with instant match highlighting. See all matches, capture groups, and match indices. Toggle flags (global, case-insensitive, multiline, dotAll) with one click. Built for JavaScript regex syntax.
//
Test String
2 matches
Contact us at hello@example.com or support@devtoolbox.com for help.
Match 1Index: 14
“hello@example.com”
Group 1: “hello”Group 2: “example.com”
Match 2Index: 35
“support@devtoolbox.com”
Group 1: “support”Group 2: “devtoolbox.com”