1         /// <summary> 2         /// 移除Xml文本中的命名空间和前缀 3         /// </summary> 4         /// <param name="xmlText">源xml文本</param> 5         /// <returns>移除名称空间和前缀后的xml文本</returns> 6         public static string RemovePrefixAndNamespace(string xmlText) 7         { 8             if (string.IsNullOrEmpty(xmlText)) 9             {10                 return xmlText;11             }12 13             Regex regex = new Regex("( xmlns(:(?<prefix>[^=]*))*=)\"[^\"]*\"", RegexOptions.IgnoreCase | RegexOptions.Multiline);14             MatchCollection collection = regex.Matches(xmlText);15             if (collection.Count <= 0)16             {17                 return xmlText;18             }19 20             List<string> prefixes=new List<string>();21             foreach (Match match in collection)22             {23                 string temp = match.Groups["prefix"].Value;24                 if (!string.IsNullOrEmpty(temp) && !prefixes.Contains(temp))25                 {26                     prefixes.Add(temp);27                 }28             }29 30             StringBuilder rePattern = new StringBuilder("( xmlns(:[^=]*)*=\"[^\"]*\")");31             foreach (string prefix in prefixes)32             {33                 rePattern.Append(string.Format("|({0}:)", prefix));34             }35             Regex reReplace = new Regex(rePattern.ToString(), RegexOptions.IgnoreCase | RegexOptions.Multiline);36             xmlText=reReplace.Replace(xmlText, "");37 38             return xmlText;39         }