Regular expression for validating website
If the validation rules pass, your code will keep executing normally; however, if validation fails, an exception will be thrown and the proper error response will automatically be sent back to the user.In the case of a traditional HTTP request, a redirect response will be generated, while a JSON response will be sent for AJAX requests. Again, if the validation fails, the proper response will automatically be generated.To learn about Laravel's powerful validation features, let's look at a complete example of validating a form and displaying the error messages back to the user.
If you are unsure of your PHP version you can run php -v from the command line if you have command line PHP installed, or create a PHP file with the following contents and navigate to it using your web browser: There is a lot of debate about whether using a regular expression is a good idea when doing URL validation.
This article will take a look at some of the most commonly used methods of validating URLs in PHP, the Regex method and the PHP built in Filter validate URL.
Validating URLs is tough for the same reasons that validation on emails is tough.
Validating URLs is important to form handling and PHP data processing.
Currently there are numerous solutions for validating URLs. the real issuse is that both methods dont check for "FILTER_FLAG_HOST_REQUIRED" which actually doesent work altough it should check ending... I have been trying to find a good solution for testing for URL's, I would not use the filter_var() for this kind of check. The only way i have found to check for them is either use regex or use the parse_url and check each section.