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🔍 Regex Generator
Generate regular expressions from natural language descriptions
🤖 AI Regex Generator
Describe what you want to match
Generate Regex
🧪 Test Pattern
Test string
Test Pattern
📚 Common Patterns
Email address
^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$
URL
^https?:\/\/[\w\-]+(\.[\w\-]+)+[/#?]?.*$
Date (YYYY-MM-DD)
^\d{4}-\d{2}-\d{2}$
Phone number (E.164)
^\+?[1-9]\d{1,14}$
Strong password
^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d]{8,}$
IPv4 address
^\d{1,3}(\.\d{1,3}){3}$
Hex color
^#[0-9A-Fa-f]{6}$
US State abbreviation
^[A-Z]{2,3}$
US ZIP code
^\d{5}(-\d{4})?$
Complex password (2 uppercase, 2 digits)
^(?=.*[A-Z].*[A-Z])(?=.*\d.*\d)[A-Za-z\d]{10,}$
📖 Quick Reference
^
Start of string
$
End of string
\\d
Any digit
\\w
Word character
\\s
Whitespace
.
Any character
*
0 or more
+
1 or more
?
0 or 1
[]
Character class
()
Capture group