PHP防止JS注入正则

 　　例子

代码如下
$a ="/<script>]*?>.*?</script>/si"; $keyword = preg_replace($a,' ',$_POST['searchword']);

　　其它方法

代码如下
$title=""; $title = strip_tags($title); if(preg_match('/|<script>(.*)</script>|/',$title,$info)){ $title=$info['1']; }else{ $title = $title; } echo $title;