正则表达式匹配RTF中的图片

Question

RTF中的图片，想查找出来 用正则表达式能匹配出来吗，或其他办法{\rtf1\ansi\ansicpg936\deff0\deflang1033\deflangfe2052{\fonttbl{\f0\fswiss\fcharset0 Arial;}{\f1\fnil\fcharset134 \'cb\'ce\'cc\'e5;}}
\viewkind4\uc1\pard\lang2052\f0\fs18 sdfds\f1{\object\objemb{\*\objclass Paint.Picture}\objw360\objh360{\*\objdata 
01050000
.....
00000000
}{\result{\pict\wmetafile0 
}}}\par
}

Answer 1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.IO;
namespace sxLdfang
{
    class Program
    {
        static void Main(string[] args)
        {
            string html = @"{\rtf1\ansi\ansicpg936\deff0\deflang1033\deflangfe2052{\fonttbl{\f0\fswiss\fcharset0 Arial;}{\f1\fnil\fcharset134 \'cb\'ce\'cc\'e5;}}
\viewkind4\uc1\pard\lang2052\f0\fs18 sdfds\f1{\object\objemb{\*\objclass Paint.Picture}\objw360\objh360{\*\objdata  
01050000
.....
00000000
}{\result{\pict\wmetafile0 
}}}\par
}";
            string pattern = @"(?is)(?<={\\object\\objemb{\\\*\\objclass Paint\.Picture}\\objw\d+\\objh\d+{\\\*\\objdata).*(?=}{\\result{\\pict\\wmetafile0 
}}}\\par)";
            MatchCollection mc = Regex.Matches(html, pattern);
            foreach (Match m in mc)
            {
                Console.WriteLine(m.Value);
            }
            Console.ReadKey();
        }
    }
}
运行结果：
  
01050000
.....
00000000

Answer 2

红色对就的部分相当于一对，省略号的内容不同，要匹配的内容为
{\object\objemb{\*\objclass Paint.Picture}任意字符{\result{\pict\wmetafile0 
}}}

Answer 3

老办法实现 string rtf = base.Rtf;
            string DestStr = "";            while (rtf.Contains(@"{\object\objemb{\*\objclass Paint.Picture}"))
            {
                DestStr += rtf.Substring(0, rtf.IndexOf(@"{\object\objemb{\*\objclass Paint.Picture}"));
                rtf = rtf.Substring(rtf.IndexOf(@"{\object\objemb{\*\objclass Paint.Picture}") + @"{\object\objemb{\*\objclass Paint.Picture}".Length);
                string temp = rtf.Substring(rtf.IndexOf(@"{\result{\pict\wmetafile0") + @"{\result{\pict\wmetafile0".Length + 6);
                DestStr += "[##img##]";
                rtf = rtf.Substring(rtf.IndexOf(@"{\result{\pict\wmetafile0") + @"{\result{\pict\wmetafile0".Length + 6);
            }
            return DestStr + rtf;