XmlParser with different xmlroot

XmlParser

public class XmlParser
    {
        private static Regex regex = new Regex("<(\\w+?)[ >]", RegexOptions.Compiled);

        public static T Parse<T>(string body,Encoding encoding) where T : class
        {
            Type type = typeof(T);
            string rootTagName = GetRootElement(body);

            XmlAttributes rootAttrs = new XmlAttributes();
            rootAttrs.XmlRoot = new XmlRootAttribute(rootTagName);

            XmlAttributeOverrides attrOvrs = new XmlAttributeOverrides();
            attrOvrs.Add(type, rootAttrs);

            XmlSerializer serializer = new XmlSerializer(type, attrOvrs);

            object obj = null;
            using (System.IO.Stream stream = new MemoryStream(encoding.GetBytes(body)))
            {
                obj = serializer.Deserialize(stream);
            }

            return (T)obj;
        }

        public static T Parse<T>(string body) where T : class
        {
            return Parse<T>(body, Encoding.UTF8);
        }

        /// <summary>
        /// 获取XML响应的根节点名称
        /// </summary>
        private static string GetRootElement(string body)
        {
            Match match = regex.Match(body);
            if (match.Success)
            {
                return match.Groups[1].ToString();
            }
            else
            {
                throw new OpenPlatformException("Invalid XML response format!");
            }
        }
    }