//test Regex string content = ""; string outHtml = ""; Regex regex; Match mc; StreamReader sr = new StreamReader("c:\\a.txt",System.Text.Encoding.GetEncoding("gb2312")); content = sr.ReadToEnd(); content = content.Replace("\"","'"); //开始用正则表达式取出图片文件名
//regex = new Regex("class=\"text02\">(?<CityName>.*)</div>"); regex = new Regex(@"(\s*)<td width='105' bgcolor='F6F6F6' class='text02'>(\s*)(?<CityName>.*)(\s*)</td>(\s*)<td width='55' align='center' bgcolor='F6F6F6'>(\s*)(?<weather>.*)(\s*)</td>",RegexOptions.Compiled);
outHtml += "<table widht=100% border=1 bgcolor=d7d7d7>"; outHtml += "<tr><td colspan=10>test</td></tr>"; for (mc = regex.Match(content); mc.Success; mc = mc.NextMatch()) { outHtml += "<tr><td>城市:</td><td>" + mc.Groups["CityName"].Value + "</td><td>" + mc.Groups["weather"].Value + "</d></tr>"; } outHtml += "</table>";
Response.Write(outHtml);
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关键的一个地方是:
<tr><td>之间必须用(\s*)来表示,这个表示无限个空格,否则匹配不到,COOL 
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