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<?php $user_email = "dbutt@westminstertoyota.com"; $allowed_domain = '/^[^@]+@[^@]*toyota[^@]*\.[^@]+/'; preg_match($allowed_domain, $user_email, $matches); print_r($matches); $regex = preg_quote($allowed_domain, '#') . '$'; $res = preg_match("#$regex#i", $user_email); print_r($res);

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