Question 1

What does the International Phone Number (E.164) regex pattern do?

Accepted Answer

Matches E.164 format: a plus sign followed by 1-15 digits, starting with a non-zero country code. This is the standard format for international telecommunications.

Question 2

How do I use the International Phone Number (E.164) regex in JavaScript?

Accepted Answer

Use the pattern /\+[1-9]\d{1,14}/g with the String.match() or String.matchAll() method. For example: const matches = text.match(/\+[1-9]\d{1,14}/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: +14155551234, +442071234567, +61412345678. It does not match strings like: +0123456789, 14155551234, +1.

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

International Phone Number (E.164)

Pattern

Try It

Explanation

Test Strings

Matching

Non-matching

Language Compatibility

Code Snippets

Common Variations

With spaces

Related Patterns

US Phone Number

UK Phone Number