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论坛转贴工具中用到的正则表达式学习正则的好例子

发布：dxy 字体：[增加减小] 类型：转载

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>

function SymError() 
{ 
  return true; 
}

window.onerror = SymError;

//--> 
</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; 
} 
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,""); 
}

if(set.filtrate.checked) 
{ 
str = str.replace(/[^<]*<([^>]*?)>[^<]*/ig,"<$1>"); 
tm=window.textfield.value; 
if(tm.length<1){ 
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+"/"; 
} 
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]"); 
if(!set.font_color.checked&&!set.stext.checked) 
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="/skin/blue/images/mediaplayer.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>播放视频文件</div><div class="UBBContent"><a id="meiti74654_href" href="javascript:MediaShow('wmv','meiti74654','$2','500','300')"><img name="meiti74654_img" src="/skin/blue/images/mm_snd.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti74654_text">在线播放</span></a><div id="meiti74654"></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="/skin/blue/images/flash.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>Flash动画</div><div class="UBBContent"><a id="meiti52628_href" href="javascript:MediaShow('swf','meiti52628','$2','500','300')"><img name="meiti52628_img" src="/skin/blue/images/mm_snd.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti52628_text">在线播放</span></a><div id="meiti52628"></div></div></div>\n"); 
str = str.replace(/<embed[^>]*type=["]?application\/x\-shockwave\-flash["]?[^>]*src=[" ]?([^"|^ ]+)[" ]?[^>]*>/ig,"\n<div class="UBBPanel"><div class="UBBTitle"><img src="/skin/blue/images/flash.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>Flash动画</div><div class="UBBContent"><a id="meiti92148_href" href="javascript:MediaShow('swf','meiti92148','$1','500','300')"><img name="meiti92148_img" src="/skin/blue/images/mm_snd.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti92148_text">在线播放</span></a><div id="meiti92148"></div></div></div>\n"); 
str = str.replace(/<embed[^>]*src=["]?([^"|^ ]+)["]?[^>]*type=["]?application\/x\-shockwave\-flash["]?[^>]*>/ig,"\n<div class="UBBPanel"><div class="UBBTitle"><img src="/skin/blue/images/flash.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>Flash动画</div><div class="UBBContent"><a id="meiti92148_href" href="javascript:MediaShow('swf','meiti92148','$1','500','300')"><img name="meiti92148_img" src="/skin/blue/images/mm_snd.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti92148_text">在线播放</span></a><div id="meiti92148"></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="/skin/blue/images/realplayer.gif" alt="" style="margin:0px 2px -3px 0px" border="0"/>播放real视频流文件</div><div class="UBBContent"><a id="meiti55832_href" href="javascript:MediaShow('rm','meiti55832','$2','500','300')"><img name="meiti55832_img" src="/skin/blue/images/mm_snd.gif" style="margin:0px 3px -2px 0px" border="0" alt=""/><span id="meiti55832_text">在线播放</span></a><div id="meiti55832"></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; 
} 
function replace_star() 
{ 
var str=document.getElementById('text').value; 
if(!reg.checked) 
strfound=zhen(find_text.value); 
else 
strfound=find_text.value; 
var re = new RegExp(strfound,"ig"); 
str=str.replace(re,replace_text.value); 
document.getElementById('text').value=str; 
} 
</SCRIPT>

<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.jb51.net/list/list_6_1.htm" target="_blank"><font color=red>正则</font></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><font color="#800000" size="4">http://www.pcjc8.com</font></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]

Tags：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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