asp.net ubb使用代码

////别人写的ubb代码 

using System; 
using System.Text; 
using System.Text.RegularExpressions; 
namespace Test.Com 
{ 
/// <summary> 
/// 功能：UBB代码 
/// 作者：Rexsp 
/// 日期：2004-4-6 
/// </summary> 
public class UBB 
{ 
#region 构造函数 
public UBB() 
{ 
// 
// TODO: 在此处添加构造函数逻辑 
// 
} 
#endregion 
#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 static string UBBToHTML(string sDetail) 
{ 
Regex r; 
Match m; 
#region 处理空格 
sDetail = sDetail.Replace(" "," "); 
#endregion 
#region html标记符 
sDetail = sDetail.Replace("<","<"); 
sDetail = sDetail.Replace(">",">"); 
#endregion 
#region 处[b][/b]标记 
r = new Regex(@"(\[b\])([ \S\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(@"(\[i\])([ \S\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(@"(\[U\])([ \S\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(@"(\[sup\])([ \S\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(@"(\[sub\])([ \S\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(@"(\[url\])([ \S\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\"><IMG border=0 src=\"images/url.gif\">" + 
m.Groups[2].ToString() + "</A>"); 
} 
#endregion 
#region 处[url=xxx][/url]标记 
//处[url=xxx][/url]标记 
r = new Regex(@"(\[url=([ \S\t]+)\])([ \S\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\"><IMG border=0 src=\"images/url.gif\">" + 
m.Groups[3].ToString() + "</A>"); 
} 
#endregion 
#region 处[email][/email]标记 
//处[email][/email]标记 
r = new Regex(@"(\[email\])([ \S\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\"><IMG border=0 src=\"images/email.gif\">" + 
m.Groups[2].ToString() + "</A>"); 
} 
#endregion 
#region 处[email=xxx][/email]标记 
//处[email=xxx][/email]标记 
r = new Regex(@"(\[email=([ \S\t]+)\])([ \S\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\"><IMG border=0 src=\"images/email.gif\">" + 
m.Groups[3].ToString() + "</A>"); 
} 
#endregion 
#region 处[size=x][/size]标记 
//处[size=x][/size]标记 
r = new Regex(@"(\[size=([1-7])\])([ \S\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(@"(\[color=([\S]+)\])([ \S\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(@"(\[font=([\S]+)\])([ \S\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(@"(\[align=([\S]+)\])([ \S\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(@"(\[H=([1-6])\])([ \S\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(@"(\[list(=(A|a|I|i| ))?\]([ \S\t]*)\r\n)((\[\*\]([ \S\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(@"\[\*\]([ \S\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(( )|　)+)(?<正文>\S+)",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 
return sDetail; 
} 
#endregion 
} 
}