正则匹配靶场代码分析
正则匹配原代码<?php $key='flag{********************************}'; $Regular= preg_match("/zkaq.*key.{2,9}:\/.*\/(key*key)/i", trim($_GET["id"]), $match); if( $Regular ){ die('
表单验证加小小防护
```php<meta.charset='GBK'><center> <h3>后台登入<h3><form action="1.php" method="$_REQUEST">账号:<input name='username' type='text'><br />密