Developer ToolsFree
Regex Tester
Test regular expressions against any text in real time. Highlights all matches, shows match groups, and supports all JS regex flags (g, i, m, s).
//
Frequently Asked Questions
Which regex flavour is used?▼
JavaScript regex, which is standard ECMAScript — compatible with JS, TypeScript, and most modern languages.
Are regex flags supported?▼
Yes: global (g), case-insensitive (i), multiline (m), and dotAll (s).