Regex Tester & Cheat Sheet

Quick Patterns

• Email Address

  ^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$

• URL

  https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)

• Phone Number (US)

  ^\+?1?\s*\(?\d{3}\)?[-.\s]?\d{3}[-.\s]?\d{4}$

• Only Digits

  ^\d+$

• Alphanumeric

  ^[a-zA-Z0-9]+$

• Hex Color

  ^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$