Below code shows validation of URL in php using preg_match function of php
#example.php
<?php
$website = "https://www.rathorji.in";
if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $website)) {
echo "Invalid URL";
} else {
echo "valid URL";
}
?>Above the syntax will verify whether the given URL is valid or not. It should allow certain keywords like https, ftp, www, a-z, 0-9, .. etc.
output:
| valid URL |