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Change person's name to upper and lower

/ Published in: C#
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Makes first letter upper and the rest lower except for names like Mcsomething

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  1. internal string TurnFirstToUpperAndRestLower(string input)
  2.         {
  3.             if (!string.IsNullOrEmpty(input))
  4.             {
  5.                 string theRest = null;
  6.                 string first = string.IsNullOrEmpty(input.Substring(0, 1)) ? null : input.Substring(0, 1).ToUpper();
  7.                 if (input.Length > 1 && input.Substring(0, 1).ToUpper() != "M" && input.Substring(1, 1).ToUpper() != "C")
  8.                 {
  9.                     theRest = string.IsNullOrEmpty(input.Substring(1, input.Length - 1)) ? null : input.Substring(1, input.Length - 1).ToLower();                
  10.                 }
  11.                 else
  12.                 {
  13.                     theRest = input.Length > 1 ? input.Substring(1, input.Length - 1) : null;
  14.                 }
  15.                 return first + theRest;
  16.             }
  17.             else
  18.             {
  19.                 return null;
  20.             }
  21.         }

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