Question

How to validate a 10-digit phone number with hyphens (e.g. 333-555-1234) using RegEx in JavaScript

Answer 1

const phoneNumber = "333-555-1234";
const pattern = /^\d{3}-\d{3}-\d{4}$/;

if (pattern.test(phoneNumber)) {
    console.log("Valid phone number format");
} else {
    console.log("Invalid phone number format");
}



/*
run:

Valid phone number format

*/

 

70+ SQL courses for beginners and professionals