Hi Guys,     I am trying to convert one dataset into another (example given below)    Input Data     Name  Age  String    John  28  A,BB    Jack  25  M,BM,M4m,44,65    Jill  26         Output Data     Name  Age  String_Old  String_New    John  28  A,BB  A    John  28  A,BB  BB    Jack  25  M,BM,M4m,44,65  M    Jack  25  M,BM,M4m,44,65  BM    Jack  25  M,BM,M4m,44,65  M4m    Jack  25  M,BM,M4m,44,65  44    Jack  25  M,BM,M4m,44,65  65    Jill  26           This is getting too complicated for the SAS skills that i have. Can anyone help solve the same?    Regards,   
						
					
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