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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Text.RegularExpressions;
  4. using System.Linq;
  5. public class Test
  6. {
  7. 	public static void Main()
  8. 	{
  9. 		var strs = new List<string>() { "Boy has a dog and a cat.", 
  10. 			"Boy something a gerbil.",
  11. 			"Sally owns a cat." };
  12. 		foreach (var s in strs)
  13. 		{
  14. 			var results = Regex.Matches(s, @"(?:\G(?!\A)|^Boy\b).*?\b(dog|cat|gerbil)\b")
  15. 		        .Cast<Match>()
  16. 		        .Select(m => m.Groups[1].Value)
  17. 		        .ToList();
  18. 		     if (results.Count > 0) {
  19. 			Console.WriteLine("{0}:\n[{1}]\n------", s, string.Join(", ", results));
  20. 		     }
  21. 		     else
  22. 		     {
  23. 		     	Console.WriteLine("{0}:\nNO MATCH!\n------", s);
  24. 		     }
  25. 		}
  26. 	}
  27. }
Success #stdin #stdout 0.04s 134848KB
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stdin
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Standard input is empty
stdout
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Boy has a dog and a cat.:
[dog, cat]
------
Boy something a gerbil.:
[gerbil]
------
Sally owns a cat.:
NO MATCH!
------
https://ideone.com/tTbBFW
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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