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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Text.RegularExpressions;
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		var s = "AABCBACBCCAACCB AABCBACBCCAACCB AABBBAABCCAACCB";
  9. 		var rx = new Regex("(?=(?<value>(?:(?<A>A)|(?<B>B)|(?<C>C)){3}(?<-A>)(?<-B>)(?<-C>)))");
  10. 		var m = rx.Match(s);
  11. 		while (m.Success)
  12. 		{
  13. 			var list = new List<string>();
  14. 			list.Add(m.Groups["value"].Value);
  15. 			s = s.Substring(m.Groups["value"].Index+m.Groups["value"].Length-1);
  16. 			m = rx.Match(s);
  17. 			if (m.Success && m.Groups["value"].Index == 0)
  18. 			{
  19. 				list.Add(m.Groups["value"].Value);
  20. 				s = s.Substring(m.Groups["value"].Index+m.Groups["value"].Length-1);
  21. 				m = rx.Match(s);
  22. 				if (m.Success && m.Groups["value"].Index == 0)
  23. 				{
  24. 					list.Add(m.Groups["value"].Value);
  25. 					Console.WriteLine(string.Join(", ", list));
  26. 					s = s.Substring(m.Groups["value"].Index+m.Groups["value"].Length-1);
  27. 				    m = rx.Match(s);
  28. 				}
  29. 			}
  30. 		}
  31. 	}
  32. }
Success #stdin #stdout 0.12s 24696KB
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Standard input is empty
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ABC, CBA, ACB
ABC, CBA, ACB
https://ideone.com/0hvVfA
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
secret

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