I need to validate a phone number in javascript. The requirements are:
they should be 10 digits, no comma, no dashes, just the numbers, and not the
Google's libphonenumber is very helpful for validation and formatting of phone numbers all over the world. It is easier, less cryptic, and more robust than using a RegEx, and it comes in JavaScript, Ruby, Python, C#, PHP, and Objective-C flavors.