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Regex Tester
Regular Expression Pattern
Flags
Global (g)
Case Insensitive (i)
Multiline (m)
Dot All (s)
Unicode (u)
Sticky (y)
Test String
Test Regex
Sample Text
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Common Patterns
Email
Basic email validation
^[\w\.-]+@[\w\.-]+\.[a-zA-Z]{2,}$
Phone (US)
US phone number
^$$?([0-9]{3})$$?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$
URL
HTTP/HTTPS URL
^https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)$
IPv4
IPv4 address
^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$
Hex Color
Hex color code
^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$