🔬 Developer Tools
Regex Tester
Test and debug regular expressions against sample text in real-time.
Regular Expression
g (global)
i (case-insensitive)
m (multiline)
s (dotAll)
Test String
The quick brown fox jumps over the lazy dog. This is a test string with numbers 12345. Email: test@example.com
Replace With (Optional)
🔍 Match Results
0 matches found
📄 Text Preview with Highlights
Common Regex Patterns
\d+
Numbers
[a-zA-Z]+
Letters
\w+@\w+\.\w+
Email
^\d{10}$
10-digit number
https?://\S+
URL
\b\d{3}-\d{2}-\d{4}\b
SSN