主页 > 编程资料 > C# >
发布时间:2015-09-26 作者:网络 阅读:216次
  参考了一些文章,整理了一下,大家可以直接拿去用吧,其实自从有了FreeTextBox这样的东东出现,UBB已经渐渐淡出江湖了。
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
     }
    }
    关键字词: