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Regular Expression Tester
Test and debug regular expressions with live matching
Regular Expression
Flags
Common patterns:
Email
URL
IPv4
Phone
Date (YYYY-MM-DD)
Hex Color
Test String
Flag Reference
g
- Global search (find all matches)
i
- Case-insensitive search
m
- Multiline mode (^ and $ match line boundaries)
s
- Dotall mode (. matches newlines)
u
- Unicode mode