using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @/
3Dcache*:().*%252B
/;
string input = @"<li class=""g""><h3 class=""r""><a href=""http://maps.google.com/maps?um=1&ie=UTF-8&fb=1&gl=us&cid=12546501552342514458&q=Malheur+National+Forest&sa=X&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CBUQtQMwAA""><div>Map for <b>Malheur National Forest</b></div></a></h3><div class=""mlmcm"" style=""margin:16px 0""><a href=""http://maps.google.com/maps?um=1&ie=UTF-8&fb=1&gl=us&cid=12546501552342514458&q=Malheur+National+Forest&sa=X&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CBYQtgMwAA""><img height=""233"" src=""/maps/vt/data=VLHX1wd2Cgu8wR6jwyh-km8JBWAkEzU4,6YhdV0BKWTh3M22uoHrEdeI_eUVZLHdlKYEtPFQ8P__WuSea3AFMDTBKDIzC2UNN2GnK4eVSnL54ZIUZDihddu9CI74my1jHESqjX7czgrXEHjDCIHFYymlYhBU"" style=""border:0;padding:1px"" width=""550""/></a></div><h3 class=""r""><a href=""/url?q=http://www.fs.usda.gov/malheur&sa=U&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CBgQFjAA&usg=AFQjCNEd9QcHqk_lxZTz9AcslMsyLwA9XQ""><b>Malheur National Forest</b> - Home - USDA Forest Service</a></h3><div class=""s""><div class=""kv"" style=""margin-bottom:2px""><cite>www.fs.usda.gov/<b>malheur</b></cite><div class=""am-dwn-arw-container"">‎<div aria-expanded=""false"" aria-haspopup=""true"" data-ved=""0CBkQ7B0wAA"" onclick=""google.sham(this);"" style=""display:inline"" tabindex=""0""><span class=""am-dwn-arw""></span></div><div class=""am-dropdown-menu"" role=""menu"" style=""display:none"" tabindex=""-1""><ul><li class=""am-dropdown-menu-item""><a class=""am-dropdown-menu-item-text"" href=""/url?q=http://webcache.googleusercontent.com/search%3Fq%3Dcache:0bqZkM4XQqIJ:http://www.fs.usda.gov/malheur%252BMalheur%2BNational%2BForest%26hl%3Den%26%26ct%3Dclnk&sa=U&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CBsQIDAA&usg=AFQjCNHcxq8MhoHz9__jp8pwHUrw2RPqCQ"">Cached</a></li><li class=""am-dropdown-menu-item""><a class=""am-dropdown-menu-item-text"" href=""/search?ie=UTF-8&q=related:www.fs.usda.gov/malheur+Malheur+National+Forest&tbo=1&sa=X&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CBwQHzAA"">Similar</a></li></ul></div></div></div><span class=""st"">The 1.7 million acre <b>Malheur National</b> For est is located in the Blue Mountains of <br>
Eastern Oregon. The diverse and beautiful scenery of the <b>forest</b> includes high ...</br></span><br><div style=""margin-top:13px""><table width=""100%""><tr><td style=""padding-right:4px;padding-top:1px"" valign=""top"" width=""24""><img src=""/mapfiles/marker-noalpha.png""/></td><td valign=""top"" width=""485""><span style=""vertical-align:top"">Canyon City, OR 97820<br style=""display:block""><span class=""nobr"">(541) 575-3000</span></br></span></td><td style=""padding-top:2px;padding-left:9px"" valign=""top""><div style=""float:right""><div class=""star"" style=""float:none""><div style=""width:0px""> </div></div></div><div style=""clear:both""><a class=""fl nobr"" href=""/url?q=https://plus.google.com/105110280666932757061/about%3Fhl%3Den%26socfid%3Dweb:lu:unknown:localdetails%26socpid%3D1&sa=U&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CCAQ4gkwAA&usg=AFQjCNEo8ifBqVIqKICfCb2t4c6TZYk5mA"">2 reviews</a></div></td></tr></table></div></br></div><table cellpadding=""0"" cellspacing=""0"" class=""slk"" style=""border-collapse:collapse;margin-top:1px""><tr class=""mslg""><td style=""padding-left:23px;vertical-align:top""><div class=""sld""><h3 class=""r""><a class=""sla"" href=""/url?q=http://www.fs.usda.gov/contactus/malheur/about-forest/contactus&sa=U&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CCMQjBAwAQ&usg=AFQjCNGjoBzfmSfSTCOzBNxBnOhKa28FUQ"">Contact Us</a></h3><div class=""s st"" style=""width:220px;overflow:hidden"">More information is available on individual Ranger District Office ...</div></div></td><td style=""padding-left:7px;vertical-align:top""><div class=""sld""><h3 class=""r""><a class=""sla"" href=""/url?q=http://www.fs.usda.gov/recmain/malheur/recreation&sa=U&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CCUQjBAwAw&usg=AFQjCNEmTooI03G5kMNTyIVqgU8Cu822dg"">Recreation</a></h3><div class=""s st"" style=""width:220px;overflow:hidden"">The 1.7 million acre Malheur National Forest located in the ...</div></div></td></tr><tr class=""mslg""><td style=""padding-left:23px;vertical-align:top""><div class=""sld""><h3 class=""r""><a class=""sla"" href=""/url?q=http://www.fs.usda.gov/main/malheur/maps-pubs&sa=U&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CCcQjBAwAg&usg=AFQjCNFuRB8FTFH1goZ5XStBRakys6JoIQ"">Maps & Publications</a></h3><div class=""s st"" style=""width:220px;overflow:hidden"">Forest Service Topography Maps: These maps overlay Forest ...</div></div></td><td style=""padding-left:7px;vertical-align:top""><div class=""sld""><h3 class=""r""><a class=""sla"" href=""/url?q=http://www.fs.usda.gov/main/malheur/about-forest&sa=U&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CCkQjBAwBA&usg=AFQjCNHSrG5pziXkX2tf50PdNo7qWMeT1A"">About the Forest</a></h3><div class=""s st"" style=""width:220px;overflow:hidden"">The Malheur National Forest in the Blue Mountains of Eastern ...</div></div></td></tr><tr><td colspan=""2"" style=""padding-left:28px;vertical-align:top""><div style=""padding-top:5px""><a class=""fl"" href=""/search?ie=UTF-8&q=+site:usda.gov+Malheur+National+Forest&sa=X&ei=tsCpU7y-HM28oQSa9IIQ&ved=0CCoQrAM"">More results from usda.gov »</a></div></td></tr></table></li>";
Match m = Regex.Match(input, pattern);
Console.WriteLine("'{0}' found at index {1}", m.Value, m.Index);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx