Validating a domain name involves checking whether a given string conforms to the rules and conventions of a valid domain name. The rules...

In an e-mail sign up form, async validation was used to check if typed username was taken or not. “updateOn” value was set as ‘blur’ but...

Data validation is when a program checks the data to make sure it meets some rules or restrictions. There are many different data...

For any product that you manufacture today, it is important to perform validation before delivering it to the client. You need to...

If you or any of your peers have ever been the target of a phishing attempt, you know that it can be dangerous to click on an unknown...

Have you ever received an ‘invalid CSV file’ error? If so, you know how frustrating it can be to determine the cause of the error, which...