Regex Tester
Test, validate and debug your regular expressions in real-time.
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Regex Quick Reference
| Pattern | Description |
|---|---|
| . | Matches any single character except newline |
| \d | Matches any digit (0-9) |
| \D | Matches any non-digit |
| \w | Matches any word character (a-z, A-Z, 0-9, _) |
| \W | Matches any non-word character |
| \s | Matches any whitespace character |
| \S | Matches any non-whitespace character |
| ^ | Matches start of string |
| $ | Matches end of string |
| * | Matches 0 or more occurrences |
| + | Matches 1 or more occurrences |
| ? | Matches 0 or 1 occurrence |
| {n} | Matches exactly n occurrences |
| {n,} | Matches at least n occurrences |
| {n,m} | Matches between n and m occurrences |
| [abc] | Matches any one of a, b, or c |
| [^abc] | Matches any character except a, b, or c |
| | | Alternation (OR operator) |
| (...) | Capturing group |
Features
- ✨ Real-time regex testing and validation
- ⚡ Highlighting of matches in your text
- 📋 Match replacement functionality
- 🔧 Support for all regex flags (g, i, m, s, u, y)
- 💡 Quick reference for common regex patterns
- 🎨 User-friendly interface with detailed results