Q: How do I use the US Phone Number regex in JavaScript?

Use the pattern /(?:\+?1[-\s.]?)?$?\d{3}$?[-\s.]?\d{3}[-\s.]?\d{4}/g with the String.match() or String.matchAll() method. For example: const matches = text.match(/(?:\+?1[-\s.]?)?$?\d{3}$?[-\s.]?\d{3}[-\s.]?\d{4}/g);

Question 1

What does the US Phone Number regex pattern do?

Accepted Answer

Matches US phone numbers with optional country code (+1), area code with optional parentheses, and groups separated by hyphens, spaces, or dots.

Question 2

How do I use the US Phone Number regex in JavaScript?

Accepted Answer

Use the pattern /(?:\+?1[-\s.]?)?$?\d{3}$?[-\s.]?\d{3}[-\s.]?\d{4}/g with the String.match() or String.matchAll() method. For example: const matches = text.match(/(?:\+?1[-\s.]?)?$?\d{3}$?[-\s.]?\d{3}[-\s.]?\d{4}/g);

Question 3

What regex flags does this pattern use?

Accepted Answer

This pattern uses the global flag (g). The global flag finds all matches in the input, not just the first.

Question 4

Which programming languages support this regex?

Accepted Answer

Fully supported in JS, PYTHON, JAVA, PHP, GO

Question 5

What strings does this regex match?

Accepted Answer

This pattern matches strings like: (555) 123-4567, +1-555-123-4567, 555.123.4567. It does not match strings like: 123-456, 555-1234-567, abc-def-ghij.

Language	Support
JS	Full support
PYTHON	Full support
JAVA	Full support
PHP	Full support
GO	Full support

US Phone Number

Pattern

Try It

Explanation

Test Strings

Matching

Non-matching

Language Compatibility

Code Snippets

Common Variations

Strict format

Related Patterns

International Phone Number (E.164)

UK Phone Number