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
{
///

/// 功能：UBB代码
/// 作者：Rexsp
/// 日期：2004-4-6
///

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
///

/// UBB代码处理函数
///

/// 输入字符串
/// 输出字符串
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(),"" + m.Groups[2].ToString() + "");
}
#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(),"" + m.Groups[2].ToString() + "");
}
#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(),"" + m.Groups[2].ToString() + "");
}
#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(),"

" + m.Groups[3].ToString() + "

");
}
#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(),"^{" + m.Groups[2].ToString() + "}");
}
#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(),"_{" + m.Groups[2].ToString() + "}");
}
#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(),
"" +
m.Groups[2].ToString() + "");
}
#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(),
"" +
m.Groups[3].ToString() + "");
}
#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(),
"" +
m.Groups[2].ToString() + "");
}
#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(),
"" +
m.Groups[3].ToString() + "");
}
#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(),
"" +
m.Groups[3].ToString() + "");
}
#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(),
"" +
m.Groups[3].ToString() + "");
}
#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(),
"" +
m.Groups[3].ToString() + "");
}
#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(),
""\" target=\"_blank\">"\">");
}
#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(),
"

" +
m.Groups[3].ToString() + "

");
}
#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(),
"" +
m.Groups[3].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(),"

" + mLI.Groups[1]);
}
sDetail = sDetail.Replace(m.Groups[0].ToString(),
"

" + m.Groups[4].ToString() + "" +
strLI + "

");
}
#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(),"
　　" + 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","
");
#endregion
return sDetail;
}
#endregion
}
}