Test regular expressions with real-time match highlighting and flag support.
Test and debug regular expressions instantly. Supports global, case-insensitive, multiline, and other flags.
\d+)g, i, m in the flags fieldAll processing is done locally in your browser. No data is uploaded or stored.
Real-time highlighting, flag support, match history, and pattern testing.
\d - Digit (0-9)\w - Word character\s - Whitespace. - Any character* - 0 or more+ - 1 or more? - 0 or 1{n} - Exactly n times[abc] - a or b or c(abc) - Capture groupg (global), i (case-insensitive), m (multiline), s (dotAll), u (unicode), y (sticky)
Enter your pattern between slashes, add flags, and type your test string. Matches will be highlighted instantly.
Yes – completely free, no registration required.