Regex Validator – Test & Debug Regular Expressions Online
A fast and accurate regex tester tool to validate, debug, and improve your regular expressions.
Regex Flags (Modifiers)
Tip: Regex flags modify how your pattern behaves.
- g: Find all matches instead of stopping at the first.
- i: Ignore letter case (A = a).
- m: Treat input as multi-line; ^ and $ apply to each line.
Matches Found
No matches found.