字符串中提取有用的字符问题
想把下面的中文部分提取出来，不知道怎么操作，请高手回答给出代码，谢了
<ul>
<li><span id='fld000000061' onclick='openFolder("000000061")'><img src='/images/pui-plus.gif' style='position: relative;top:-6px'/><img src='/images/ftv2folderclosed.gif'/></span><span onclick='jumpTo("00000006")' style='position: relative;top:-6px'>第一章 请事实</span></li>
<ul id='idoc000000061' style='display:none'>
<li><span id='idoc000000062' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000006")' style='position: relative;top:-6px'>第一节 公务员伤亡及退职请事实</span></li>
<ul id='iblock000000062' style='display:none'>
</ul>
<li><span id='idoc000000074' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000007")' style='position: relative;top:-6px'>第二节 陆军伤亡请事实</span></li>
<ul id='iblock000000074' style='display:none'>
</ul>
<li><span id='idoc000000106' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000010")' style='position: relative;top:-6px'>第三节 空军伤亡请事实</span></li>
<ul id='iblock000000106' style='display:none'>
</ul>
<li><span id='idoc000000138' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000013")' style='position: relative;top:-6px'>第四节 人民守土伤亡请事实</span></li>
<ul id='iblock000000138' style='display:none'>
</ul>
</ul>
<li><span id='fld000000143' onclick='openFolder("000000143")'><img src='/images/pui-plus.gif' style='position: relative;top:-6px'/><img src='/images/ftv2folderclosed.gif'/></span><span onclick='jumpTo("00000014")' style='position: relative;top:-6px'>第二章 请手续</span></li>
<ul id='idoc000000143' style='display:none'>
<li><span id='idoc000000142' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000014")' style='position: relative;top:-6px'>第一节 公务员伤亡及退职请手续</span></li>
<ul id='iblock000000142' style='display:none'>
</ul>
<li><span id='idoc000000154' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000015")' style='position: relative;top:-6px'>第二节 陆空军伤亡请手续</span></li>
<ul id='iblock000000154' style='display:none'>
</ul>
<li><span id='idoc000000176' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000017")' style='position: relative;top:-6px'>第三节 人民守土伤亡请手续</span></li>
<ul id='iblock000000176' style='display:none'>
</ul>
</ul>
<li><span id='fld000000185' onclick='openFolder("000000185")'><img src='/images/pui-plus.gif' style='position: relative;top:-6px'/><img src='/images/ftv2folderclosed.gif'/></span><span onclick='jumpTo("00000018")' style='position: relative;top:-6px'>第三章 办理抚手续</span></li>

<ul id='idoc000000185' style='display:none'>
<li><span id='idoc000000182' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000018")' style='position: relative;top:-6px'>第一节 各机关办理公务员抚手续</span></li>
<ul id='iblock000000182' style='display:none'>
</ul>
<li><span id='idoc000000194' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000019")' style='position: relative;top:-6px'>第二节 各机关办理陆空军抚手续</span></li>
<ul id='iblock000000194' style='display:none'>
</ul>
<li><span id='idoc000000236' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000023")' style='position: relative;top:-6px'>第三节 各机关办理人民守土伤亡抚手续</span></li>
<ul id='iblock000000236' style='display:none'>
</ul>
</ul>
<li><span id='fld000000257' onclick='openFolder("000000257")'><img src='/images/pui-plus.gif' style='position: relative;top:-6px'/><img src='/images/ftv2folderclosed.gif'/></span><span onclick='jumpTo("00000025")' style='position: relative;top:-6px'>第四章 金规定</span></li>
<ul id='idoc000000257' style='display:none'>
<li><span id='idoc000000252' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000025")' style='position: relative;top:-6px'>第一节 关于公务员金规定</span></li>
<ul id='iblock000000252' style='display:none'>
</ul>
<li><span id='idoc000000284' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000028")' style='position: relative;top:-6px'>第二节 关于陆军金规定</span></li>
<ul id='iblock000000284' style='display:none'>
</ul>
<li><span id='idoc000000336' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000033")' style='position: relative;top:-6px'>第三节 关于空军金规定</span></li>
<ul id='iblock000000336' style='display:none'>
</ul>
<li><span id='idoc000000398' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif' ></img></span><span onclick='jumpTo("00000039")' style='position: relative;top:-6px'>第四节 关于人民守土伤亡金规定</span></li>
<ul id='iblock000000398' style='display:none'>
</ul>
</ul>
<li><span id='fld000000419' onclick=''><img src='/images/pui-norm.gif' style='position: relative;top:-6px'></img><img src='/images/ftv2folderclosed.gif'/></span><span onclick='jumpTo("00000041")' style='position: relative;top:-6px'>委员长电慰抗战阵亡将士家属</span></li>
<ul id='idoc000000419' style='display:none'>
</ul>
</ul>


[解决办法]

C# code

string test = @"<ul> <li> <span id='fld000000061' onclick='openFolder(""000000061"")'> <img src='/images/pui-plus.gif' style='position: relative;top:-6px'/> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000006"")' style='position: relative;top:-6px'>第一章 请事实 </span> </li> <ul id='idoc000000061' style='display:none'> <li> <span id='idoc000000062' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000006"")'  style='position: relative;top:-6px'>第一节 公务员伤亡及退职请事实 </span> </li> <ul id='iblock000000062' style='display:none'> </ul> <li> <span id='idoc000000074' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000007"")'  style='position: relative;top:-6px'>第二节 陆军伤亡请事实 </span> </li> <ul id='iblock000000074' style='display:none'> </ul> <li> <span id='idoc000000106' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000010"")'  style='position: relative;top:-6px'>第三节 空军伤亡请事实 </span> </li> <ul id='iblock000000106' style='display:none'> </ul> <li> <span id='idoc000000138' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000013"")'  style='position: relative;top:-6px'>第四节 人民守土伤亡请事实 </span> </li> <ul id='iblock000000138' style='display:none'> </ul> </ul> <li> <span id='fld000000143' onclick='openFolder(""000000143"")'> <img src='/images/pui-plus.gif' style='position: relative;top:-6px'/> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000014"")' style='position: relative;top:-6px'>第二章 请手续 </span> </li> <ul id='idoc000000143' style='display:none'> <li> <span id='idoc000000142' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000014"")'  style='position: relative;top:-6px'>第一节 公务员伤亡及退职请手续 </span> </li> <ul id='iblock000000142' style='display:none'> </ul> <li> <span id='idoc000000154' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000015"")'  style='position: relative;top:-6px'>第二节 陆空军伤亡请手续 </span> </li> <ul id='iblock000000154' style='display:none'> </ul> <li> <span id='idoc000000176' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000017"")'  style='position: relative;top:-6px'>第三节 人民守土伤亡请手续 </span> </li> <ul id='iblock000000176' style='display:none'> </ul> </ul> <li> <span id='fld000000185' onclick='openFolder(""000000185"")'> <img src='/images/pui-plus.gif' style='position: relative;top:-6px'/> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000018"")' style='position: relative;top:-6px'>第三章 办理抚手续 </span> </li> <ul id='idoc000000185' style='display:none'> <li> <span id='idoc000000182' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000018"")'  style='position: relative;top:-6px'>第一节 各机关办理公务员抚手续 </span> </li> <ul id='iblock000000182' style='display:none'> </ul> <li> <span id='idoc000000194' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000019"")'  style='position: relative;top:-6px'>第二节 各机关办理陆空军抚手续 </span> </li> <ul id='iblock000000194' style='display:none'> </ul> <li> <span id='idoc000000236' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000023"")'  style='position: relative;top:-6px'>第三节 各机关办理人民守土伤亡抚手续 </span> </li> <ul id='iblock000000236' style='display:none'> </ul> </ul> <li> <span id='fld000000257' onclick='openFolder(""000000257"")'> <img src='/images/pui-plus.gif' style='position: relative;top:-6px'/> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000025"")' style='position: relative;top:-6px'>第四章 金规定 </span> </li> <ul id='idoc000000257' style='display:none'> <li> <span id='idoc000000252' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000025"")'  style='position: relative;top:-6px'>第一节 关于公务员金规定 </span> </li> <ul id='iblock000000252' style='display:none'> </ul> <li> <span id='idoc000000284' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000028"")'  style='position: relative;top:-6px'>第二节 关于陆军金规定 </span> </li> <ul id='iblock000000284' style='display:none'> </ul> <li> <span id='idoc000000336' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000033"")'  style='position: relative;top:-6px'>第三节 关于空军金规定 </span> </li> <ul id='iblock000000336' style='display:none'> </ul> <li> <span id='idoc000000398' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000039"")'  style='position: relative;top:-6px'>第四节 关于人民守土伤亡金规定 </span> </li> <ul id='iblock000000398' style='display:none'> </ul> </ul> <li> <span id='fld000000419' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000041"")' style='position: relative;top:-6px'>委员长电慰抗战阵亡将士家属 </span> </li> <ul id='idoc000000419' style='display:none'> </ul> </ul>";        Regex re = new Regex(@"<span .* onclick='jumpto\(""(\d+)""\)'.*>(.*)</span>", RegexOptions.IgnoreCase);        MatchCollection matches = re.Matches(test);        foreach (Match m in matches)        {            Response.Write(m.Groups[1].Value);            Response.Write("\t");            Response.Write(m.Groups[2].Value);            Response.Write("\n");        } 
 
[解决办法]
C# code
            Regex reg = new Regex("<span.*>(?<text>.*)</span>");            string str = @"<span onclick='jumpTo(""00000006"")' style='position: relative;top:-6px'>第一章请事实 </span> </li><ul id='idoc000000061' style='display:none'><li> <span id='idoc000000062' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000006"")'  style='position: relative;top:-6px'>第一节 公务员伤亡及退职请事实 </span> </li><ul id='iblock000000062' style='display:none'></ul><li> <span id='idoc000000074' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000007"")'  style='position: relative;top:-6px'>第二节 陆军伤亡请事实 </span> </li><ul id='iblock000000074' style='display:none'></ul><li> <span id='idoc000000106' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000010"")'  style='position: relative;top:-6px'>第三节 空军伤亡请事实 </span> </li><ul id='iblock000000106' style='display:none'></ul><li> <span id='idoc000000138' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000013"")'  style='position: relative;top:-6px'>第四节 人民守土伤亡请事实 </span> </li><ul id='iblock000000138' style='display:none'></ul></ul><li> <span id='fld000000143' onclick='openFolder(""000000143"")'> <img src='/images/pui-plus.gif' style='position: relative;top:-6px'/> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000014"")' style='position: relative;top:-6px'>第二章请手续 </span> </li><ul id='idoc000000143' style='display:none'><li> <span id='idoc000000142' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000014"")'  style='position: relative;top:-6px'>第一节 公务员伤亡及退职请手续 </span> </li><ul id='iblock000000142' style='display:none'></ul><li> <span id='idoc000000154' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000015"")'  style='position: relative;top:-6px'>第二节 陆空军伤亡请手续 </span> </li><ul id='iblock000000154' style='display:none'></ul><li> <span id='idoc000000176' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000017"")'  style='position: relative;top:-6px'>第三节 人民守土伤亡请手续 </span> </li><ul id='iblock000000176' style='display:none'></ul></ul><li> <span id='fld000000185' onclick='openFolder(""000000185"")'> <img src='/images/pui-plus.gif' style='position: relative;top:-6px'/> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000018"")' style='position: relative;top:-6px'>第三章办理抚手续 </span> </li><ul id='idoc000000185' style='display:none'><li> <span id='idoc000000182' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000018"")'  style='position: relative;top:-6px'>第一节 各机关办理公务员抚手续 </span> </li><ul id='iblock000000182' style='display:none'></ul><li> <span id='idoc000000194' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000019"")'  style='position: relative;top:-6px'>第二节 各机关办理陆空军抚手续 </span> </li><ul id='iblock000000194' style='display:none'></ul><li> <span id='idoc000000236' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000023"")'  style='position: relative;top:-6px'>第三节 各机关办理人民守土伤亡抚手续 </span> </li><ul id='iblock000000236' style='display:none'></ul></ul><li> <span id='fld000000257' onclick='openFolder(""000000257"")'> <img src='/images/pui-plus.gif' style='position: relative;top:-6px'/> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000025"")' style='position: relative;top:-6px'>第四章金规定 </span> </li><ul id='idoc000000257' style='display:none'><li> <span id='idoc000000252' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000025"")'  style='position: relative;top:-6px'>第一节 关于公务员金规定 </span> </li><ul id='iblock000000252' style='display:none'></ul><li> <span id='idoc000000284' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000028"")'  style='position: relative;top:-6px'>第二节 关于陆军金规定 </span> </li><ul id='iblock000000284' style='display:none'></ul><li> <span id='idoc000000336' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000033"")'  style='position: relative;top:-6px'>第三节 关于空军金规定 </span> </li><ul id='iblock000000336' style='display:none'></ul><li> <span id='idoc000000398' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif' > </img> </span> <span onclick='jumpTo(""00000039"")'  style='position: relative;top:-6px'>第四节 关于人民守土伤亡金规定 </span> </li><ul id='iblock000000398' style='display:none'></ul></ul><li> <span id='fld000000419' onclick=''> <img src='/images/pui-norm.gif' style='position: relative;top:-6px'> </img> <img src='/images/ftv2folderclosed.gif'/> </span> <span onclick='jumpTo(""00000041"")' style='position: relative;top:-6px'>委员长电慰抗战阵亡将士家属 </span> </li><ul id='idoc000000419' style='display:none'></ul></ul> ";            List<string> list = new List<string>();            Match match = reg.Match(str);            while (match.Success)            {                list.Add(match.Groups["text"].Value);                match = match.NextMatch();            }