C#基础-replace()过滤非法字符

string FilterfileName(string strName)
{         
   string result=string.Empty ;
   if (string.IsNullOrWhiteSpace(strName))
   {
      //do something
   }
   else
   {
    result = strName.Replace("\", "_").Replace("/", "_").Replace(":", "_")
             .Replace("*","_").Replace("?","_").Replace("<","_")
             .Replace(">","_").Replace("|","_").Replace(""","_");
   } 
   return result;       
}