将 html 转成 ubb代码的小脚本

只写了几个常用的标签，如果要添加其他标签，按照已有的正则照猫画虎
（存储于剪切板的超文本和源文件有可能是不同的！！也就是说浏览器已经对原有 html 进行了规范化）
<script Language="JavaScript1.2"> //coded by windy_sk <windy_sk@126.com> 20031218 function html_trans(str) { str = str.replace(/\r/g,""); str = str.replace(/on(load|click|dbclick|mouseover|mousedown|mouseup)="[^"]+"/ig,""); str = str.replace(/<script[^>]*?>([\w\W]*?)<\/script>/ig,""); str = str.replace(/]+href="https://img.gxlcms.com/([^"]+)"[^>]*>(.*?)<\/a>/ig,"\n[url=$1]$2[/url]\n"); str = str.replace(/<font[^>]+color=https://img.gxlcms.com/([^ >]+)[^>]*>(.*?)<\/font>/ig,"\n[color=$1]$2[/color]\n"); str = str.replace(/<img[^>]+src="https://img.gxlcms.com/([^"]+)"[^>]*>/ig,"\n[img]$1[/img]\n"); str = str.replace(/<([\/]?)b>/ig,"[$1b]"); str = str.replace(/<([\/]?)strong>/ig,"[$1b]"); str = str.replace(/<([\/]?)u>/ig,"[$1u]"); str = str.replace(/<([\/]?)i>/ig,"[$1i]"); str = str.replace(/ /g," "); str = str.replace(/&/g,"&"); str = str.replace(/"/g,"\""); str = str.replace(/</g,"<"); str = str.replace(/>/g,">"); str = str.replace(/ /ig,"\n"); str = str.replace(/<[^>]*?>/g,""); str = str.replace(/\[url=https://img.gxlcms.com/([^\]]+)\]\n(\[img\]\1\[\/img\])\n\[\/url\]/g,"$2"); str = str.replace(/\n+/g,"\n"); return str; } function trans(){ var str = ""; rtf.focus(); rtf.document.body.innerHTML = ""; rtf.document.execCommand("paste"); str = rtf.document.body.innerHTML; if(str.length == 0) { alert("剪切版不存在超文本数据！"); return ""; } return html_trans(str); } </script> <textarea style="width:100%; height:200px" id="text" class="textarea" onbeforepaste="if(document.getElementById('x_paste').checked){window.clipboardData.setData('text',trans());this.focus();}"></textarea> <iframe scrolling="no" id="rtf" src="about:blank" MARGINHEIGHT="0" MARGINWIDTH="0" style="width:0px; height:0px;"></iframe> <input type="button" value="转换剪切版超文本数据" onclick="document.getElementById('text').value += trans()"> <input type="checkbox" id="x_paste"> <label for="x_paste">启用超文本粘贴转换</label> <script> rtf.document.designMode="On"; </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
使用说明
在别的网页中选择HTML内容，比如有链接，或者颜色的拷贝。 
点击运行代码按钮 
直接点击转换 
出来的就是论坛专用的 ubb 代码了