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Phone Number Regex Javascript Validator

Phone Number Regex Javascript Validator

Regex Tester Online tools to learn, build & test Regular Expression (RegEx/RegExp)
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Regular Expression - Documentation

Regular Expression - Documentation

Introduction

In JavaScript, especially in web development, validating phone numbers is a common task. JavaScript's capability to implement regex provides a straightforward way to validate phone numbers. A general regex pattern for this is /^\\+[1-9]\\d{1,14}$/, suitable for validating international phone numbers.

What is Phone Number Regex?

The regex for phone numbers usually includes a country code and a local number.

The Phone Number Regex Pattern

  • The regex pattern: /^\\+[1-9]\\d{1,14}$/

  • This ensures the phone number starts with a + followed by the country code and the local number.

How to Validate Phone Numbers in JavaScript?

Phone number validation in JavaScript can be done using regex as follows:

javascriptCopy code
function isValidPhoneNumber(phoneNumber) {
    const regex = /^\+[1-9]\d{1,14}$/;
    return regex.test(phoneNumber);
}

console.log(isValidPhoneNumber("+12345678901")); // true or false

Uses of Phone Number Regex Validation

  1. Form Validation: Ensuring correct phone number format in user input on web pages and applications.

  2. Client-Side Data Verification: Validating phone numbers in client-side scripts for contact forms, sign-up sheets, etc.

What next?

For a more comprehensive validation process, especially when dealing with a wide range of international formats, Akto's regex validator provides an additional layer of reliability, enhancing the accuracy of your validation strategies.

Frequently asked questions

Why is phone number validation important in web development?

Can I use the same regex pattern for all phone number formats?

How can I customize the regex pattern for a specific country code?

Is phone number validation only useful for web forms?

Can using a regex validator like Akto's benefit my phone number validation process?

Phone Number Regex Javascript Validator

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Phone Number Regex Javascript Validator