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How Can I Validate Email Address in JavaScript?

Last Updated : 18 Apr, 2025 - Asked By Ashok

js  validate email address 

Answers
2023-12-21 11:56:09

You can validate an email address in JavaScript using regular expressions (regex) to check if the entered email matches a certain pattern. Here's an example function that utilizes regex for basic email validation:

javascript
function validateEmail(email) {
    const regex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
    return regex.test(email);
}


This function validateEmail() takes an email string as input and uses a regular expression to validate it against a standard pattern for email addresses. It returns true if the email is valid, otherwise false.

For more robust validation considering the complexities of email addresses, you might consider using more elaborate regular expressions or a dedicated email validation library depending on your specific needs.

2023-12-21 11:56:13

You can perform email validation in JavaScript using the built-in RegExp object and its test() method to check if the provided email matches a specific pattern. Here's an example:

javascript
function validateEmail(email) {
    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
    return emailRegex.test(email);
}


This validateEmail() function uses a regular expression (emailRegex) to verify if the provided email follows a basic pattern for email addresses. It returns true if the email is valid according to this pattern; otherwise, it returns false.

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