Regular Expressions 101

Community Patterns

US Telephone Number validation

0

Regular Expression
ECMAScript (JavaScript)

/
(1\s?)?(\d{3}|\(\d{3}\))[\-\s]?\d{3}[\-\s]?\d{4}
/
gm

Description

regex code for US telephone number validation for freecodecamp exercise

Submitted by Erik @raxsonic - 3 years ago