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Regex Tester
Write regex patterns and test them against your text with live highlighting of matches, groups, and flags.
//
Contact hello@example.com or support@toolnest.com
2 matches
#1: "hello@example.com" @8
#2: "support@toolnest.com" @29
Frequently Asked Questions
What is Regex Tester?▼
Write regex patterns and test them against your text with live highlighting of matches, groups, and flags.
Is this tool free?▼
Yes, Regex Tester is completely free. No sign-up, no limits.
Is my data safe?▼
100% safe. This tool runs entirely in your browser. No data is ever sent to any server.
How does Regex Tester work?▼
Regex Tester uses modern browser APIs to process everything locally. Nothing is uploaded or stored.