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Regex Studio & Live Debugger

Real-time regular expression tester with capture group breakdown, match count, quick-insert presets, and multi-language code generation (Python, C++, JS, Rust).

Regular Expression & Flags

/ /

Test String 0 Matches Found

Live Visual Match Highlight

Detailed Match Breakdown

Matches will be indexed here with capture groups.

⚡ Common Pattern Presets

💻 Code Generator

📖 Quick Syntax Reference

. Any character except newline
\d Digit [0-9] | \D Non-digit
\w Word [a-zA-Z0-9_] | \W Non-word
\s Whitespace | \S Non-whitespace
^ Start of line | $ End of line
+ 1 or more | * 0 or more
? Optional (0 or 1) | {n,m} Range
(...) Capture Group
(?:...) Non-capturing Group