UBB(c#完整版)

最近我又开始用c#做论坛，在网上找了一下，虽然也有关于ubb（c#）的转换代码，可是同样都不全面，我在这里补充了一下，拿出来和大家共享。
有什么问题到我个人的论坛[url=http://www.hushiyu.com]www.hushiyu.com[/url]来交流，随时欢迎。

using System;
using System.Text;
using System.Text.RegularExpressions;

namespace myluntan
{
 /// <summary>
 /// UBB 的摘要说明。
 /// </summary>
 public class UBB
 {
  public UBB()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }
   
  #region 公共静态方法
  /// <summary>
  /// UBB代码处理函数
  /// </summary>
  /// <param name="sDetail">输入字符串</param>
  /// <returns>输出字符串</returns>
  public string UBBToHTML(string sDetail)
  {
   Regex r;
   Match m;
   #region 处理空格
   sDetail = sDetail.Replace(" ","&nbsp;");
   #endregion
   #region 处理单引号
   sDetail = sDetail.Replace("'","’");
   #endregion
   #region 处理双引号
   sDetail = sDetail.Replace("/"","&quot;");
   #endregion
   #region html标记符
   sDetail = sDetail.Replace("<","&lt;");
   sDetail = sDetail.Replace(">","&gt;");
   
   #endregion
   #region 处理换行
   //处理换行，在每个新行的前面添加两个全角空格
   r = new Regex(@"(/r/n((&nbsp;)|　)+)(?<正文> +)",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<BR>　　" + m.Groups["正文"].ToString());
   }
   //处理换行，在每个新行的前面添加两个全角空格
   sDetail = sDetail.Replace("/r/n","<BR>");
   #endregion
   #region 处[b][/b]标记
   r = new Regex(@"(/[b/])([ /t]*?)(/[//b/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<B>" + m.Groups[2].ToString() + "</B>");
   }
   #endregion
   #region 处[i][/i]标记
   r = new Regex(@"(/[i/])([ /t]*?)(/[//i/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<I>" + m.Groups[2].ToString() + "</I>");
   }
   #endregion
   #region 处[u][/u]标记
   r = new Regex(@"(/[U/])([ /t]*?)(/[//U/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<U>" + m.Groups[2].ToString() + "</U>");
   }
   #endregion
   #region 处[p][/p]标记
   //处[p][/p]标记
   r = new Regex(@"((/r/n)*/[p/])(.*?)((/r/n)*/[//p/])",RegexOptions.IgnoreCase|RegexOptions.Singleline);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<P class=/"pstyle/">" + m.Groups[3].ToString() + "</P>");
   }
   #endregion
   #region 处[sup][/sup]标记
   //处[sup][/sup]标记
   r = new Regex(@"(/[sup/])([ /t]*?)(/[//sup/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<SUP>" + m.Groups[2].ToString() + "</SUP>");
   }
   #endregion
   #region 处[sub][/sub]标记
   //处[sub][/sub]标记
   r = new Regex(@"(/[sub/])([ /t]*?)(/[//sub/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<SUB>" + m.Groups[2].ToString() + "</SUB>");
   }
   #endregion
   #region 处[url][/url]标记
   //处[url][/url]标记
   r = new Regex(@"(/[url/])([ /t]*?)(/[//url/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<A href=/"" + m.Groups[2].ToString() + "/" target=/"_blank/">" +
     m.Groups[2].ToString() + "</A>");
   }
   #endregion
   #region 处[url=xxx][/url]标记
   //处[url=xxx][/url]标记
   r = new Regex(@"(/[url=([ /t]+)/])([ /t]*?)(/[//url/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<A href=/"" + m.Groups[2].ToString() + "/" target=/"_blank/">" +
     m.Groups[3].ToString() + "</A>");
   }
   #endregion
   #region 处[email][/email]标记
   //处[email][/email]标记
   r = new Regex(@"(/[email/])([ /t]*?)(/[//email/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<A href=/"mailto:" + m.Groups[2].ToString() + "/" target=/"_blank/">" +
     m.Groups[2].ToString() + "</A>");
   }
   #endregion
   #region 处[email=xxx][/email]标记
   //处[email=xxx][/email]标记
   r = new Regex(@"(/[email=([ /t]+)/])([ /t]*?)(/[//email/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<A href=/"mailto:" + m.Groups[2].ToString() + "/" target=/"_blank/">" +
     m.Groups[3].ToString() + "</A>");
   }
   #endregion
   #region 处[size=x][/size]标记
   //处[size=x][/size]标记
   r = new Regex(@"(/[size=([1-7])/])([ /t]*?)(/[//size/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<FONT SIZE=" + m.Groups[2].ToString() + ">" +
     m.Groups[3].ToString() + "</FONT>");
   }
   #endregion
   #region 处[color=x][/color]标记
   //处[color=x][/color]标记
   r = new Regex(@"(/[color=([ ]+)/])([ /t]*?)(/[//color/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<FONT COLOR=" + m.Groups[2].ToString() + ">" +
     m.Groups[3].ToString() + "</FONT>");
   }
   #endregion
   #region 处[font=x][/font]标记
   //处[font=x][/font]标记
   r = new Regex(@"(/[font=([ ]+)/])([ /t]*?)(/[//font/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<FONT FACE=" + m.Groups[2].ToString() + ">" +
     m.Groups[3].ToString() + "</FONT>");
   }
   #endregion
   #region 处理图片链接
   //处理图片链接
   r = new Regex("//[picture//](//d+?)//[///picture//]",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<A href=/"ShowImage.aspx?Type=ALL&Action=forumImage&ImageID=" + m.Groups[1].ToString() +
     "/" target=/"_blank/"><IMG border=0 Title=/"点击打开新窗口查看/" src=/"ShowImage.aspx?Action=forumImage&ImageID=" + m.Groups[1].ToString() +
     "/"></A>");
   }
   #endregion
   #region 处理[align=x][/align]
   //处理[align=x][/align]
   r = new Regex(@"(/[align=([ ]+)/])([ /t]*?)(/[//align/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<P align=" + m.Groups[2].ToString() + ">" +
     m.Groups[3].ToString() + "</P>");
   }
   #endregion
   #region 处[H=x][/H]标记
   //处[H=x][/H]标记
   r = new Regex(@"(/[H=([1-6])/])([ /t]*?)(/[//H/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<H" + m.Groups[2].ToString() + ">" +
     m.Groups[3].ToString() + "</H" + m.Groups[2].ToString() + ">");
   }
   #endregion
   #region 处理[list=x][*][/list]
   //处理[list=x][*][/list]
   r = new Regex(@"(/[list(=(A|a|I|i| ))?/]([ /t]*)/r/n)((/[/*/]([ /t]*/r/n))*?)(/[//list/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    string strLI = m.Groups[5].ToString();
    Regex rLI = new Regex(@"/[/*/]([ /t]*/r/n?)",RegexOptions.IgnoreCase);
    Match mLI;
    for (mLI = rLI.Match(strLI); mLI.Success; mLI = mLI.NextMatch())
    {
     strLI = strLI.Replace(mLI.Groups[0].ToString(),"<LI>" + mLI.Groups[1]);
    }
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<UL TYPE=/"" + m.Groups[3].ToString() + "/"><B>" + m.Groups[4].ToString() + "</B>" +
     strLI + "</UL>");
   }

   #endregion
   #region 处[SHADOW=x][/SHADOW]标记
   //处[SHADOW=x][/SHADOW]标记
   r = new Regex(@"(/[SHADOW=)(/d*?),(#*/w*?),(/d*?)/]([ /t]*?)(/[//SHADOW/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<TABLE WIDTH=" + m.Groups[2].ToString() + "  STYLE=FILTER:SHADOW(COLOR=" + m.Groups[3].ToString() + ", STRENGTH=" + m.Groups[4].ToString() + ")>" +
     m.Groups[5].ToString() + "</TABLE>");
   }
   #endregion
   #region 处[glow=x][/glow]标记
   //处[glow=x][/glow]标记
   r = new Regex(@"(/[glow=)(/d*?),(#*/w*?),(/d*?)/]([ /t]*?)(/[//glow/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<TABLE WIDTH=" + m.Groups[2].ToString() + "  STYLE=FILTER:GLOW(COLOR=" + m.Groups[3].ToString() + ", STRENGTH=" + m.Groups[4].ToString() + ")>" +
     m.Groups[5].ToString() + "</TABLE>");
   }
   #endregion
   #region 处[center][/center]标记
   r = new Regex(@"(/[center/])([ /t]*?)(/[//center/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<CENTER>" + m.Groups[2].ToString() + "</CENTER>");
   }
   #endregion
   #region 处[IMG][/IMG]标记
   r = new Regex(@"(/[IMG/])(http|https|ftp):////([ /t]*?)(/[//IMG/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<br><a onfocus=this.blur() href=" + m.Groups[2].ToString() + "://" + m.Groups[3].ToString() + " target=_blank><IMG SRC=" + m.Groups[2].ToString() + "://" + m.Groups[3].ToString() + " border=0 alt=按此在新窗口浏览图片 onload=javascript:if(screen.width-333<this.width)this.width=screen.width-333></a>");
   }
   #endregion
   #region 处[em]标记
   r = new Regex(@"(/[em([ /t]*?)/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<img src=pic/em" + m.Groups[2].ToString() + ".gif border=0 align=middle>");
   }
   #endregion
   #region 处[flash=x][/flash]标记
   //处[mp=x][/mp]标记
   r = new Regex(@"(/[flash=)(/d*?),(/d*?)/]([ /t]*?)(/[//flash/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<a href=" + m.Groups[4].ToString() + " TARGET=_blank><IMG SRC=pic/swf.gif border=0 alt=点击开新窗口欣赏该FLASH动画!> [全屏欣赏]</a><br><br><OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 width=" + m.Groups[2].ToString() + " height=" + m.Groups[3].ToString() + "><PARAM NAME=movie VALUE=" + m.Groups[4].ToString() + "><PARAM NAME=quality VALUE=high><param name=menu value=false><embed src=" + m.Groups[4].ToString() + " quality=high menu=false pluginspage=http://www.macromedia.com/go/getflashplayer type=application/x-shockwave-flash width=" + m.Groups[2].ToString() + " height=" + m.Groups[3].ToString() + ">" + m.Groups[4].ToString() + "</embed></OBJECT>");
   }
   #endregion
   #region 处[dir=x][/dir]标记
   //处[dir=x][/dir]标记
   r = new Regex(@"(/[dir=)(/d*?),(/d*?)/]([ /t]*?)(/[//dir/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<object classid=clsid:166B1BCA-3F9C-11CF-8075-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=7,0,2,0 width=" + m.Groups[2].ToString() + " height=" + m.Groups[3].ToString() + "><param name=src value=" + m.Groups[4].ToString() + "><embed src=" + m.Groups[4].ToString() + " pluginspage=http://www.macromedia.com/shockwave/download/ width=" + m.Groups[2].ToString() + " height=" + m.Groups[3].ToString() + "></embed></object>");
   }
   #endregion
   #region 处[rm=x][/rm]标记
   //处[rm=x][/rm]标记
   r = new Regex(@"(/[rm=)(/d*?),(/d*?)/]([ /t]*?)(/[//rm/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<OBJECT classid=clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA class=OBJECT id=RAOCX width=" + m.Groups[2].ToString() + " height=" + m.Groups[3].ToString() + "><PARAM NAME=SRC VALUE=" + m.Groups[4].ToString() + "><PARAM NAME=CONSOLE VALUE=Clip1><PARAM NAME=CONTROLS VALUE=imagewindow><PARAM NAME=AUTOSTART VALUE=true></OBJECT><br><OBJECT classid=CLSID:CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA height=32 id=video2 width=" + m.Groups[2].ToString() + "><PARAM NAME=SRC VALUE=" + m.Groups[4].ToString() + "><PARAM NAME=AUTOSTART VALUE=-1><PARAM NAME=CONTROLS VALUE=controlpanel><PARAM NAME=CONSOLE VALUE=Clip1></OBJECT>");
   }
   #endregion
   #region 处[mp=x][/mp]标记
   //处[mp=x][/mp]标记
   r = new Regex(@"(/[mp=)(/d*?),(/d*?)/]([ /t]*?)(/[//mp/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<object align=middle classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 class=OBJECT id=MediaPlayer width=" + m.Groups[2].ToString() + " height=" + m.Groups[3].ToString() + " ><param name=ShowStatusBar value=-1><param name=Filename value=" + m.Groups[4].ToString() + "><embed type=application/x-oleobject codebase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701 flename=mp src=" + m.Groups[4].ToString() + "  width=" + m.Groups[2].ToString() + " height=" + m.Groups[3].ToString() + "></embed></object>");
   }
   #endregion
   #region 处[qt=x][/qt]标记
   //处[qt=x][/qt]标记
   r = new Regex(@"(/[qt=)(/d*?),(/d*?)/]([ /t]*?)(/[//qt/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<embed src=" + m.Groups[4].ToString() + " width=" + m.Groups[2].ToString() + " height=" + m.Groups[3].ToString() + " autoplay=true loop=false controller=true playeveryframe=false cache=false scale=TOFIT bgcolor=#000000 kioskmode=false targetcache=false pluginspage=http://www.apple.com/quicktime/>");
   }
   #endregion
   #region 处[QUOTE][/QUOTE]标记
   r = new Regex(@"(/[QUOTE/])([ /t]*?)(/[//QUOTE/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<table cellpadding=0 cellspacing=0 border=1 WIDTH=94% bordercolor=#000000 bgcolor=#F2F8FF align=center  style=FONT-SIZE: 9pt><tr><td  ><table width=100% cellpadding=5 cellspacing=1 border=0><TR><TD >" + m.Groups[2].ToString() + "</table></table><br>");
   }
   #endregion
   #region 处[move][/move]标记
   r = new Regex(@"(/[move/])([ /t]*?)(/[//move/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<MARQUEE scrollamount=3>" + m.Groups[2].ToString() + "</MARQUEE>");
   }
   #endregion
   #region 处[FLY][/FLY]标记
   r = new Regex(@"(/[FLY/])([ /t]*?)(/[//FLY/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),"<MARQUEE width=80% behavior=alternate scrollamount=3>" + m.Groups[2].ToString() + "</MARQUEE>");
   }
   #endregion
   #region 处[image][/image]标记
   //处[image][/image]标记
   r = new Regex(@"(/[image/])([ /t]*?)(/[//image/])",RegexOptions.IgnoreCase);
   for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
   {
    sDetail = sDetail.Replace(m.Groups[0].ToString(),
     "<img src=/"" + m.Groups[2].ToString() + "/" border=0 align=middle><br>");
   }
   #endregion

   return sDetail;
  }
  #endregion
 }
}