C#写的UBB代码类

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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(),"" + 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(),
"<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(),
"" +
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(),
"<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(),
"" +
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(),
"<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() + "/">" + m.Groups[4].ToString() + "" +
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()," 　　" + 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
}
}

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