发送无效的电子邮件地址

Question

如何使用SELECT找到无效的电子邮件地址？

Answer 1

SELECT
    email
FROM
    TABLE
WHERE
    email NOT LIKE '%_@_%._%'
AND email NOT LIKE '%list of invalid char%';

Answer 2

SELECT email FROM tablename WHERE email NOT REGEXP '(^[a-z0-9]+)\@(.*)'