🔍 Regex Tester

Test and debug regular expressions with live matching

📚 Regex Quick Reference

🔢 Quantifiers

* - 0 or more
+ - 1 or more
? - 0 or 1
{n,m} - Between n and m

📍 Anchors

^ - Start of string
$ - End of string
\b - Word boundary
\B - Non-word boundary

🔰 Groups

(abc) - Capture group
(?:abc) - Non-capture group
[abc] - Character set
[^abc] - Negated set

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🔤 Character Classes

\d - Digits (0-9)
\w - Word chars (a-z, A-Z, 0-9, _)
\s - Whitespace
. - Any character