Regex for US phone number

Note

Matches common North American formats. For anything international, store numbers in E.164 and validate with a phone library.

Matches in the example

• "(555) 123-4567"
• "555.123.4567"
• "+1 555 123 4567"

Token by token

1. (?: a group, not capturing
2. \+ the character “+”
3. 1 the character “1”
4. [\s.-]? one of: a whitespace character, “.” or “-”, optionally
5. )? end of group, whole group optionally
6. \(? the character “(”, optionally
7. \d{3} a digit (0–9), exactly 3 times
8. \)? the character “)”, optionally
9. [\s.-]? one of: a whitespace character, “.” or “-”, optionally
10. \d{3} a digit (0–9), exactly 3 times
11. [\s.-]? one of: a whitespace character, “.” or “-”, optionally
12. \d{4} a digit (0–9), exactly 4 times
13. \b a word boundary

Other patterns

• Email address
• URL
• IPv4 address
• UUID
• Hex color
• Date (YYYY-MM-DD)
• Time (24-hour)
• US phone number
• Phone number (E.164)
• US ZIP code
• Credit card number
• URL slug
• Username
• Strong password
• HTML tag
• Semantic version
• MAC address
• JSON Web Token
• Hashtag
• @mention
• Number
• Leading and trailing whitespace
• Repeated word
• Blank lines
• Markdown link
• Quoted string
• Domain name
• File extension
• Base64
• Trailing comma