在PHP中使用正则表达式进行电子邮件验证

使用它代替正则表达式：

if(filter_var($email, FILTER_VALIDATE_EMAIL)) {     //Valid email!}

不建议使用正则表达式来验证电子邮件地址，因为它肯定不是一件很漂亮的事情，特别是如果您不希望排除具有有效的电子邮件地址（根据RFC822语法是正确的）的人。

http://www.php.net/filter_var是您最好的选择。

一个正则表达式的疯狂示例，尝试根据RFC 822语法验证电子邮件地址：

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