$str = preg_replace( "@<script(.*?)</script>@is", "", $str ); $str = preg_replace( "@<iframe(.*?)</iframe>@is", "", $str ); $str = preg_replace( "@<style(.*?)</style>@is", "", $str ); $str = preg_replace( "@<(.*?)>@is", "", $str );
原文：http://my.oschina.net/xinson/blog/322647