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🔍 Regex Tester
Test and debug regular expressions with live matching
Regular Expression
/
/
g
i
m
s
Common Patterns
Email
URL
Phone (US)
Date (YYYY-MM-DD)
Time (HH:MM)
IP Address
Hex Color
Username
Password (Strong)
Credit Card
Test String
0 matches found
Replace Mode
Clear All
💡 Tips
•
g
- Global: find all matches
•
i
- Case insensitive: ignore case
•
m
- Multiline: ^ and $ match line breaks
•
s
- Dotall: . matches newlines
• Use parentheses () to create capture groups
• In replace mode, use $1, $2, etc. to reference capture groups