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- <?php
- // Адрес электронной почты
- $email = 'test@gmail.com';
- if (preg_match('/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,})$/i', $email)) {
- $whitelist = array(
- '@gmail.com',
- '@yahoo.com'
- );
- preg_match('/@((([^.]+)\.)+)([a-zA-Z]{3,}|[a-zA-Z.]{5,})/', $email, $domain);
- if (in_array($domain[0], $whitelist)) {
- echo 'Можно';
- } else {
- echo 'Нельзя';
- }
- } else {
- echo 'Некорректный email';
- }
- ?>
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