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  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		// your code goes here
  9. 		Console.WriteLine(Modify("1,2,3,4,5,6,7,8,9"));
  10. 	}
  11.  
  12. 	static string Modify(string value)
  13. 	{
  14. 		string sSnr = Regex.Replace(value, "\r\n", ", ");
  15.  
  16.         MatchCollection matches = Regex.Matches(sSnr, Regex.Escape(","));
  17.         int anz = 0;
  18.         int y;
  19.         int addAnz = 0;
  20.         foreach (Match m in matches)
  21.         {
  22.         	anz++;
  23.             y = anz % 3;
  24.             if (y == 0)
  25.             {
  26.                 addAnz++;	
  27.                 sSnr = sSnr.Insert(m.Index + addAnz, Environment.NewLine);
  28.             }
  29.         }
  30.  
  31.         return sSnr;
  32. 	}
  33. }
Success #stdin #stdout 0.07s 19612KB
comments (?)
stdin
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Standard input is empty
stdout
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1,2,3,
4,5,6,
7,8,9
https://ideone.com/5njlUc
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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