Regex Tester
Test regular expressions with live matches, groups, and replacements.
Flags
Write a pattern to see live matches, a capture-group table, and a replacement preview.
Try
//g
Test text
What the pattern runs against
Capture groups
No captures yet. Groups appear here once the pattern matches.
Replace preview
About
Your pattern is compiled by the browser's own engine, so behaviour matches what your JavaScript will do exactly.