论坛转贴工具中用到的正则表达式学习正则的好例子- Javascript

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Javascript: 为调试JavaScript添加输出窗口的代码; Js 中debug方式; 一些mootools的学习资源; JavaScript 精粹读书笔记(1,2); CutePsWheel javascript libary 控制输入文本框为可使用滚轮控制的js库; 数组Array进行原型prototype扩展后带来的for in遍历问题; javascript 鼠标拖动图标技术; 比较搞笑的js陷阱题; js 自定义的联动下拉框; js 省地市级联选择; JavaScript 类似flash效果的立体图片浏览器; JavaScript Event学习第九章鼠标事件; jQuery AJAX回调函数this指向问题; toString()一个会自动调用的方法; jQuery 文本框模拟下拉列表效果; 关于页面被拦截的问题; javascript 解析url的search方法; 一个XML格式数据转换为图表的例子; Javascript 获取链接(url)参数的方法[正则与截取字符串]; 一些收集整理非常不错的JS效果代码

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Javascript 中的论坛转贴工具中用到的正则表达式学习正则的好例子

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-10-12 浏览: 62 ::

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iframe src为图片时的高度自适应的代码用javascript实现的不错的一款网页选项卡

电脑教程吧-常用论坛转贴工具

点击运行可以看到效果:

<html>
<head>
<title>电脑教程吧-常用论坛转贴工具</title>
<script language="JavaScript">
</SCRIPT>
<SCRIPT language=JavaScript1.2>
function delnull()
{
var str=document.getElementById('text').value;
str=str.replace(/([\s]*\r\n[\s]*){2,}/gm,"\r\n");
document.getElementById('text').value=str;
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function refix()
{
var str=document.getElementById('text').value;
str=str.replace(/([\s]*\r\n[\s]*){2,}/gm,"\r\n\r\n");
document.getElementById('text').value=str;
}
function url()
{
var str=document.getElementById('text').value;
str=str.replace(/^[ ]*(http:\/\/|^mms:\/\/|rtsp:\/\/|pnm:\/\/|ftp:\/\/|mmst:\/\/|mmsu:\/\/)([^\r\n]*)$/igm,"[url]$1$2[/url]");
document.getElementById('text').value=str;
}
function addbr()
{
var str=document.getElementById('text').value;
str=str.replace(/\r\n/gm,"\r\n\r\n");
document.getElementById('text').value=str;
}
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,"");
if(set.fontbash.checked)
{
str = str.replace(/<span[^>]*?display\s*?:\s*?none[^>]*?>([\w\W]*?)<\/span>/ig,"");
str = str.replace(/<span[^>]*?font\s*?-\s*?size\s*?:\s*(0px|0pt)[^>]*?>([\w\W]*?)<\/span>/ig,"");
str = str.replace(/<font([^>]+)(0px|0pt)+([^>]*)>([\w\W]*?)<\/font>/ig,"");
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if(set.filtrate.checked)
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str = str.replace(/[^<]*<([^>]*?)>[^<]*/ig,"<$1>");
tm=window.textfield.value;
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var arr;
arr=str.match(/<img[^>]+src=[" ]?([^"]+)[" ]?[^>]*>/ig);
tm=arr[0].replace(/<img[^>]+src=[" ]?([^"]+)[" ]?[^>]*>/ig,"$1")+"\"";
i=tm.search(/\/[^\/]+"/ig);
tm=tm.substr(0,i);
window.textfield.value=tm+"/";
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if(tm.substr(tm.length-1,1)!="/") tm+="/";
var strtm="<img[^>]+src=[\"]?("+tm+"[^\"]+)[\"]?[^>]*>";
var re = new RegExp(strtm,"ig");
str = str.replace(re,"\n[img]$1[/img]\n");
}
else
{
if(set.stext.checked) str = str.replace(/[^<]*<([^>]*?)>[^<]*/ig,"<$1>");
if(!set.linka.checked) str = str.replace(/<a[^>]+href=[" ]?([^"]+)[" ]?[^>]*>(.*?)<\/a>/ig,"[url=$1]$2[/url]");
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str = str.replace(/<font([^>]+)color=([^ >]+)([^>]*)>(.*?)<\/font>/ig,"[color=$2]<font$1$3>$4</font>[/color]");
if(!set.font_size.checked&&!set.stext.checked)
str = str.replace(/<font([^>]+)size=([^ >]+)([^>]*)>(.*?)<\/font>/ig,"[size=$2]<font$1$3>$4</font>[/size]");
if(!set.font_face.checked&&!set.stext.checked)
str = str.replace(/<font[^>]+face=([^ >]+)[^>]*>(.*?)<\/font>/ig,"[font=$1]$2[/font]");
if(!set.img.checked) str = str.replace(/<img[^>]+src=[" ]?([^"]+)[" ]?[^>]*>/ig,"\n[img]$1[/img]\n");
if(!set.odj.checked){
//return str;
str = str.replace(/<object[^>]*?6BF52A52\-394A\-11d3\-B153\-00C04F79FAA6[^>]*?>.*<param[^>]+name\s*=\s*["](url|src)["][^>]+value=[" ]?([^"]+)[" ][^>]*>.*<\/object>/ig,"\n<div class="UBBPanel"><div class="UBBTitle"><img src="/upload/tech/20091012/20091012085659_3871bd64012152bfb53fdf04b401193f.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>播放视频文件</div><div class="UBBContent"><a id="meiti41402_href" href="javascript:MediaShow('wmv','meiti41402','$2','500','300')"><img name="meiti41402_img" src="/upload/tech/20091012/20091012085702_ed3d2c21991e3bef5e069713af9fa6ca.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti41402_text">在线播放</span></a><div id="meiti41402"></div></div></div>\n");
str = str.replace(/<object[^>]*?D27CDB6E\-AE6D\-11cf\-96B8\-444553540000[^>]*?>.*<param[^>]+name\s*=\s*["](url|src)["][^>]+value=[" ]?([^"]+)[" ][^>]*>.*<\/object>/ig,"\n<div class="UBBPanel"><div class="UBBTitle"><img src="/upload/tech/20091012/20091012085706_cee631121c2ec9232f3a2f028ad5c89b.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>Flash动画</div><div class="UBBContent"><a id="meiti19376_href" href="javascript:MediaShow('swf','meiti19376','$2','500','300')"><img name="meiti19376_img" src="/upload/tech/20091012/20091012085702_ed3d2c21991e3bef5e069713af9fa6ca.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti19376_text">在线播放</span></a><div id="meiti19376"></div></div></div>\n");
str = str.replace(/<embed[^>]*type=["]?application\/x\-shockwave\-flash["]?[^>]*src=[" ]?([^"|^ ]+)[" ]?[^>]*>/ig,"\n<div class="UBBPanel"><div class="UBBTitle"><img src="/upload/tech/20091012/20091012085706_cee631121c2ec9232f3a2f028ad5c89b.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>Flash动画</div><div class="UBBContent"><a id="meiti58897_href" href="javascript:MediaShow('swf','meiti58897','$1','500','300')"><img name="meiti58897_img" src="/upload/tech/20091012/20091012085702_ed3d2c21991e3bef5e069713af9fa6ca.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti58897_text">在线播放</span></a><div id="meiti58897"></div></div></div>\n");
str = str.replace(/<embed[^>]*src=["]?([^"|^ ]+)["]?[^>]*type=["]?application\/x\-shockwave\-flash["]?[^>]*>/ig,"\n<div class="UBBPanel"><div class="UBBTitle"><img src="/upload/tech/20091012/20091012085706_cee631121c2ec9232f3a2f028ad5c89b.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>Flash动画</div><div class="UBBContent"><a id="meiti58897_href" href="javascript:MediaShow('swf','meiti58897','$1','500','300')"><img name="meiti58897_img" src="/upload/tech/20091012/20091012085702_ed3d2c21991e3bef5e069713af9fa6ca.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti58897_text">在线播放</span></a><div id="meiti58897"></div></div></div>\n");
str = str.replace(/<object[^>]*?CFCDAA03\-8BE4\-11cf\-B84B\-0020AFBBCCFA[^>]*?>.*<param[^>]+name\s*=\s*["](url|src)["][^>]+value=[" ]?([^"]+)[" ][^>]*>.*<\/object>/ig,"\n<div class="UBBPanel"><div class="UBBTitle"><img src="/upload/tech/20091012/20091012085712_8f468c873a32bb0619eaeb2050ba45d1.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>播放real视频流文件</div><div class="UBBContent"><a id="meiti22580_href" href="javascript:MediaShow('rm','meiti22580','$2','500','300')"><img name="meiti22580_img" src="/upload/tech/20091012/20091012085702_ed3d2c21991e3bef5e069713af9fa6ca.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti22580_text">在线播放</span></a><div id="meiti22580"></div></div></div>\n");
}
if(!set.font_b.checked&&!set.stext.checked){
str = str.replace(/<([\/]?)b>/ig,"[$1b]");
str = str.replace(/<([\/]?)strong>/ig,"[$1b]");}
if(!set.font_u.checked&&!set.stext.checked)
str = str.replace(/<([\/]?)u>/ig,"[$1u]");
if(!set.font_i.checked&&!set.stext.checked)
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(/<p[^>]*?>/ig,"\n\n");
str = str.replace(/<[^>]*?>/g,"");
str = str.replace(/\[url=([^\]]+)\]\n(\[img\]\1\[\/img\])\n\[\/url\]/g,"$2");
str = str.replace(/\n+/g,"\n");
return str;
}
function copycode(obj){
obj.select();
objcopy=obj.createTextRange();
objcopy.execCommand("Copy");
}
function trans(){
var str = "";
rtf.focus();
rtf.document.body.innerHTML = "";
rtf.document.execCommand("paste");
str = rtf.document.body.innerHTML;
if(str.length == 0) {
alert("剪贴版不存在超文本数据！");
return "";
}
return html_trans(str);
}
function preview(){
var prewin=window.open("","","");
prewin.document.write(rtf.document.body.innerHTML);
}
function zhen(str)
{
strfound=str.replace(/\\/ig,"\\\\");
strfound=strfound.replace(/\[/ig,"\\[");
strfound=strfound.replace(/\]/ig,"\\]");
strfound=strfound.replace(/\{/ig,"\\{");
strfound=strfound.replace(/\}/ig,"\\}");
strfound=strfound.replace(/\|/ig,"\\|");
strfound=strfound.replace(/\//ig,"\\/");
strfound=strfound.replace(/\^/ig,"\\^");
strfound=strfound.replace(/\./ig,"\\.");
strfound=strfound.replace(/\*/ig,"\\*");
strfound=strfound.replace(/\?/ig,"\\?");
strfound=strfound.replace(/\+/ig,"\\+");
return strfound;
}
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document.getElementById('text').value=str;
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<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">
TABLE { FONT-SIZE: 14px
}
.style2 {font-weight: bold}
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.style25 { color: #0000FF; font-weight: bold; font-family: "隶书"; font-size: x-large;
}
</style>
<meta content="Microsoft FrontPage 4.0" name="GENERATOR"></head>
<body leftmargin="0" topmargin="0" bgcolor="#ffffff">
<img width='1' height='1' src='http://www.pcjc8.com'>
<table style="border-collapse: collapse;" align="center" border="1" bordercolor="#CC0005" cellpadding="0" cellspacing="0" width="759"> <tbody> <tr> <td align="center" width="100%"> <table border="0" cellpadding="0" cellspacing="0" width="99%"> <tbody> <tr> <td align="center" bgcolor="#f8f8f8" class="style2"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tbody> <tr> <td align="center" class="fire"><p align="left" style="line-height: 20px;"><strong> <p align="left" style="line-height: 20px;"><table cellspacing="0" cellpadding="0" border="0" width="{TABLEWIDTH}" align="center" style="table-layout: fixed"> <tr> <td class="nav" width="90%" nowrap> <a href="http://www.pcjc8.com">电脑教程吧</a> » 转贴工具</td> </tr>
</table> <p align="center" class="style25" style="line-height: 20px;"><font color="#DA2400">电脑教程吧论坛转贴工具</font> <hr color="#ffffff" size="1" width="98%"> </strong> </td></tr> </tbody></table><textarea class="textarea" onbeforepaste="if(document.getElementById('x_paste').checked){window.clipboardData.setData('text',trans());this.focus();}" id="text" style="width: 98%; height: 300px;" cols="100" rows="1"></textarea> <iframe id="rtf" style="width: 0px; height: 0px;" marginwidth="0" marginheight="0" src="about:blank" scrolling="no"></iframe><label for="x_paste"></label> <table align="center" border="0" width="713"> <tbody> <tr align="center"> <td width="25%"><input style="width: 150px; height: 50px;" onclick="document.getElementById('text').value += trans();" value="转换剪切板数据" name="button" type="button"></td> <td width="25%"> <p align="center"><input style="width: 150px; height: 50px;" onclick="copycode(window.text)" value="将代码复制到剪切板" type="button"> </td> <td width="25%"><input style="width: 150px; height: 50px;" onclick="document.getElementById('text').value=''" value="清 空 内 容" type="button"></td> <td width="25%"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tbody> <tr align="center"> <td><input title="自动分析所有超链接，并转换成超链接格式
注意：超链接必须单独在一行中！" style="width: 80px;" onclick="url()" value="分析超链接" name="Submit" type="button"></td> <td><input title="紧凑格式，删除所有空行" style="width: 80px;" onclick="delnull()" value="清除空行" name="Submit" type="button"></td></tr> <tr align="center"> <td><input title="清除多余的空行，保持最一个空行" style="width: 80px;" onclick="refix()" value="清除多余" name="Submit" type="button"></td> <td><input title="为每一行（包括空行）增加一空行" style="width: 80px;" onclick="addbr()" value="增加空行" name="Submit" type="button"></td></tr></tbody></table></td></tr></tbody></table> <form name="set"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tbody> <tr> <td title="转换的结果中将不含有图片信息" height="25" width="13%"><label for="img"><input id="img" type="checkbox"> 屏蔽图片</label></td> <td title="转换的结果中将不含有链接信息" width="14%"><label for="linka"><input id="linka" type="checkbox"> 屏蔽超链接</label></td> <td title="转换的结果中将不含音频、视频、FLASH等信息" width="14%"><label for="odj"><input id="odj" type="checkbox"> 屏蔽对象</label></td> <td title="转换的结果中将不含文本信息，同时字体属性将被自动屏蔽" width="14%"><label for="stext"><input id="stext" type="checkbox"> 屏蔽文字</label></td> <td title="为了方便帖子的阅读，强制把图片用空行隔开" width="14%"><label for="filtrate"><input id="filtrate" onclick="if(this.checked)window.base_url.style.display='block';else window.base_url.style.display='none';" type="checkbox"> 启用图片过滤</label></td> <td title="屏蔽所有定字体相关的属性" width="14%"><label for="font"><input id="font" onclick="font_color.checked=this.checked;font_size.checked=this.checked;font_face.checked=this.checked;font_b.checked=this.checked;font_i.checked=this.checked;font_u.checked=this.checked;" type="checkbox"> 屏蔽字体属性</label></td></tr> <tr> <td title="转换的结果中将不含有字体颜色信息"><label for="font_color"><input id="font_color" type="checkbox"> 屏蔽字体颜色</label></td> <td title="转换的结果中将不含有字体尺寸信息"><label for="font_size"><input id="font_size" type="checkbox"> 屏蔽字体尺寸</label></td> <td title="转换的结果中将不含有字体类型信息"><label for="font_face"><input id="font_face" type="checkbox"> 屏蔽字体类型</label></td> <td title="转换的结果中将不含有粗体信息"><label for="font_b"><input id="font_b" type="checkbox"> 屏蔽粗体</label></td> <td title="转换的结果中将不含有斜体信息"><label for="font_i"><input id="font_i" type="checkbox"> 屏蔽斜体</label></td> <td title="转换的结果中将不含有下划线信息"><label for="font_u"><input id="font_u" type="checkbox"> 屏蔽下划线</label></td><SPAN class=STYLE2><LABEL><INPUT id=fontbash type=checkbox CHECKED value=checkbox> <SPAN class=STYLE1>屏蔽干扰码</SPAN></LABEL></tr></tbody></table></form> <table id="base_url" style="display: none;" border="0" cellpadding="2" cellspacing="0" width="100%"> <tbody> <tr> <td align="center">输入图片的基本地址 <input style="background-color: rgb(255, 223, 208);" size="70" name="textfield"> <input onclick="window.textfield.value=''" value="清空" name="Submit" type="button"></td></tr> <tr> <td align="center"><font color="#006600">如果未指基本地址，则将自动取第一张图片的位置做基本地址。基本地址是指除文件名外的网络路径，如图片地址为：<font color="#0000ff">http://www.pcjc8.com/img/logo.gif</font> ，则除去图片文件名 <font color="#0000ff">logo.jpg</font> 后基本地址为：<font color="#0000ff">http://www.pcjc8.com/img/</font></font> <hr color="#000000" size="1" width="100%"> </td></tr></tbody></table> <table border="0" cellpadding="2" cellspacing="0" width="100%"> <tbody> <tr> <td class="text11" align="center" width="83%">查找文字 <input id="find_text" size="60" name="find_text"> <input onclick="set.reset();find_text.value='';replace_text.value='';window.textfield.value='';" value="全恢复默认" name="Submit" type="button"> </td> <td class="text11" rowspan="2" align="center" width="17%"><label for="reg"><input id="reg" value="1" name="reg" type="checkbox"> 使用<a href="http://www.ruanchen.com/" style="color: #000">正则</a>语法</label> </td></tr> <tr> <td class="text11" align="center">替换文字 <input id="replace_text" size="60" name="replace_text"> <input onclick="replace_star()" value=" 开始替换 " name="Submit" type="button"></td></tr></tbody></table> <hr color="#A3C861" size="1" width="100%"> <font color="#FF0000">转贴工具使用说明</font> <font color="#0000FF"><span style="font-weight: 400"> 1，选中你想要转贴的内容，按 Ctrl + C 将其复制</span></font> <font color="#0000FF"><span style="font-weight: 400"> 2，回到这个页面，直接点“转换剪切板数据”按钮</span></font> <font color="#0000FF"><span style="font-weight: 400"> 3，代码转化好了，点“将代码复制到剪切板”按钮</span></font> <font color="#0000FF"><span style="font-weight: 400">4，回到论坛发帖页面，按 Ctrl + V将代码粘贴进去</span></font> <font color="#0000FF"><span style="font-weight: 400"> 5，将你要发的帖子再编辑一下，就可以顺利发帖了</span></font><font color="#060000"> <span style="font-weight: 400"> 本转帖工具对于其他论坛同样有帮助，如果你觉得这个工具很有帮助，可以将本页添加到收藏页。</span></font> <font color="#DA2400">电脑教程吧论坛欢迎你光临：</font><font color="#240000"><a href="http://www.pcjc8.com" target=_blank>http://www.pcjc8.com</a></font><font color="#800000"> </font><font color="#DA2400">电脑教程吧论坛</font> 　</td></tr></tbody></table> <strong> <script>
rtf.document.designMode="On"; </script>
</strong> <div align="left" class="style24"> <table bgcolor="#ffffff" border="0" cellpadding="0" cellspacing="1" height="20" width="777"> </table> </div></td> </tr> </tbody></table>
</body></html>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

iframe src为图片时的高度自适应的代码用javascript实现的不错的一款网页选项卡

Javascript 中的 论坛转贴工具中用到的正则表达式学习正则的好例子

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Javascript 中的论坛转贴工具中用到的正则表达式学习正则的好例子