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  1. using static System.Console;
  2.  
  3. public class Program {
  4.     public static void Main() {
  5.         WriteLine(FormataRG("12345678x"));
  6.         WriteLine(FormataRG("123456789"));
  7.     }
  8.     public static string FormataRG(string texto) => texto.Substring(0, 2) + "." + texto.Substring(2, 3) + "." + texto.Substring(5, 3) + "-" + texto.Substring(8, 1).ToUpper();
  9. }
  10.  
  11. //https://pt.stackoverflow.com/q/55017/101
Success #stdin #stdout 0.02s 15888KB
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stdin
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Standard input is empty
stdout
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12.345.678-X
12.345.678-9
https://ideone.com/QoeesL
language:
C# (gmcs 5.20.1)
created:
3 years ago
visibility:
public

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