JavaScript RegEx Tester & Debugger with Cheatsheet

Real-time JavaScript Regular Expression tester with match highlighting and cheatsheet.

Regular Expression Pattern

Flags (g, i, m, s)

Test String

Match Highlights: 0 matches

JavaScript Regular Expressions Quick Cheatsheet

^ / $: Start / End of string or line.
\d: Any digit (0-9).
\w: Word character (alphanumeric & underscore).
+ / * / ?: 1 or more / 0 or more / optional.