When asking a user for their phone number, the code needs to be able to validate that not only is it a phone number but also match it to an existing phone number. Here I will demonstrate how to ...

A web application for form validation using JavaScript and PHP, focusing on both client-side and server-side validation. Implements regex for validating user inputs, such as names, email addresses, ...

Learn how to use regular expressions, or regex, to validate HTML forms for common scenarios, such as email, password, phone number, or URL. Discover the benefits and limitations of using regex in ...

Hello readers, in this blog we will discuss how to check a valid phone number in the form. sometimes you need to add the validation for the phone number which requires a certain format.we have to ...