toolzverse.app/dev/regex-tester
Regex Tester
Test regular expressions against sample text with live match highlighting.
Processed in your browser
Regex Tester
//g
5 matches
Ada Lovelace met Grace Hopper in London.
How it works
- 01 Add your input above — paste text or drop a file, depending on the tool.
- 02 Regex Tester processes it instantly on your device.
- 03 Copy or download the result — no account required.
Frequently asked questions
Which regex flavor does it use?
JavaScript's native regex engine (ECMAScript), including support for global, multiline and case-insensitive flags.
Does it show capture groups?
Yes, all matches and capture groups are highlighted and listed as you type.
Features
- · No registration required to start
- · Files never leave your device
- · Consistent shortcuts across ToolzVerse
- · Free with generous limits, Pro removes them