php 正则字符串中邮箱地址e-mail
如果你是验证邮箱第一个不错,如果你要获取文章或字符串中是否有邮箱地址,可以用第二个.
*/
function funcemail($str)//邮箱正则表达式
{
return (preg_match('/^[_.0-9a-z-a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,4}$/',$str))?true:false;
}
/*
php教程 filter_sanitize_email 过滤器
filter_sanitize_email 过滤器删除字符串中所有非法的 e-mail 字符。
该过滤器允许所有的字符、数字以及 $-_.+!*'{}|^~[]`#%/?@&=。
*/
$var="some(one)@example.com";
var_dump(filter_var($var, filter_sanitize_email));
//string(19) "someone@example.com"

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