Javascript URL Regex | URL Regex Javascript Validator & Tester

Home

Free tools

File convertors

DNS tools

Encoders & Decoders

Hash generators

Calculators

Generators

Regex testers

URL Regex Javascript Validator

Learn how to validate Javascript url regex. This tool provides a straightforward method for URL validation, ensuring correct URL formats in web forms and applications for enhanced user experience and data integrity.

Show Your Support with a Star ⭐

It takes just a second, but it means the world to us.

Star now

Regular Expression - Documentation

Introduction to Javascript URL Regex

URL validation in JavaScript is essential, especially in client-side validation for web forms and applications. JavaScript's built-in regex support enables developers to validate URLs effectively.

What is URL Regex JS?

The regex pattern for URL validation in JavaScript checks for the protocol, domain, and optional path.

The URL Regex Pattern

Pattern: /https?://(?:www\\.)?[a-zA-Z0-9./]+/
This pattern matches HTTP and HTTPS URLs and allows for optional 'www.'.

How to Validate URLs in JavaScript?

To validate URLs in JavaScript:

function isValidURL(url) {
    const regex = /https?://(?:www\.)?[a-zA-Z0-9./]+/;
    return regex.test(url);
}

console.log(isValidURL("https://www.example.com")); // true or false

Uses of URL Regex Validation

Client-Side Form Validation: Ensuring URLs entered in forms are correctly formatted.
Data Verification: Validating URLs in client-side scripts and applications.

What next?

JavaScript's regex functionality provides a straightforward method for URL validation, enhancing user experience and data integrity in web applications. Akto's regex validator can be particularly helpful for validating complex or diverse URL patterns.

Check our other language URL validators - URL Python Regex, URL Golang Regex, URL Java Regex

Frequently asked questions

Why is URL validation important in JavaScript?

URL validation in JavaScript is important for ensuring that URLs entered in web forms and applications are correctly formatted, enhancing user experience and data integrity.

Why is URL validation important in JavaScript?

URL validation in JavaScript is important for ensuring that URLs entered in web forms and applications are correctly formatted, enhancing user experience and data integrity.

What does the URL regex pattern in JavaScript check for?

The URL regex pattern in JavaScript checks for the presence of the protocol (HTTP or HTTPS), domain, and optional path in a URL.

What does the URL regex pattern in JavaScript check for?

The URL regex pattern in JavaScript checks for the presence of the protocol (HTTP or HTTPS), domain, and optional path in a URL.

Can the URL regex pattern handle URLs with or without 'www.'?

Yes, the URL regex pattern allows for URLs with or without 'www.' in the domain.

Can the URL regex pattern handle URLs with or without 'www.'?

Yes, the URL regex pattern allows for URLs with or without 'www.' in the domain.

How can I validate a URL in JavaScript using the provided code snippet?

You can use the provided code snippet by calling the isValidURL() function and passing a URL as a parameter. The function will return true if the URL is valid and false otherwise.

How can I validate a URL in JavaScript using the provided code snippet?

You can use the provided code snippet by calling the isValidURL() function and passing a URL as a parameter. The function will return true if the URL is valid and false otherwise.

What are some common uses of URL regex validation in JavaScript?

URL regex validation is commonly used for client-side form validation, ensuring that URLs entered in forms are correctly formatted. It is also useful for data verification in client-side scripts and applications.

What are some common uses of URL regex validation in JavaScript?