An example of regular expression for php mailbox detection

This article introduces a piece of PHP code that uses regular expressions to match mailboxes. Friends in need can refer to it.

php email regular expression example:

<?php
/** 
 * 邮箱地址正则表达式
 * edit bbs.it-home.org
 */  
$preg = '/^(\w{1,25})@(\w{1,16})(\.(\w{1,4})){1,3}$/';  
$b = 'ffgddayasdadasdf@gmialsdfsdfasd3.com.cn.org';  
if(preg_match($preg, $b)){  
    echo "匹配到了";  
}else{  
    echo "未匹配";  
}
?>