emai正则,该怎么解决
emai正则
这样写怎么匹配不了邮件
function check($str){
$re='/([a-z0-9_-]+)@\1(\.[a-z0-9_-])+/i';
preg_match($re,$str,$result);
return $result;
}
var_dump(check([email protected]'));
?>
------最佳解决方案--------------------
按照你的正则方式,[email protected]
------其他解决方案--------------------
[email protected]\1是后向引用啊当然会出问题
$re='/([a-z0-9_-]+)@([a-z0-9_-]+)(\.([a-z0-9_-])+)+/i';
------其他解决方案--------------------

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