How can email addresses with specific domain endings be filtered out during registration in PHP?

To filter out email addresses with specific domain endings during registration in PHP, you can use regular expressions to check if the email address matches the desired domain. This can be done by using the preg_match function with a regular expression pattern that matches the desired domain ending. 

$email = "example@example.com";
$allowed_domain = "example.com";

if (preg_match('/@'.$allowed_domain.'$/', $email)) {
    // Email address has the allowed domain ending
    // Proceed with registration process
} else {
    // Email address does not have the allowed domain ending
    // Display an error message or take appropriate action
}

Keywords

PHP email validation domain filtering regular expressions form validation

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