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  1. using System;
  2. using System.Globalization;
  3. using System.Linq;
  4. using System.Collections.Generic;
  5.  
  6. public class Test
  7. {
  8. 	public static void Main()
  9. 	{
  10. 		string text = "2013-11-11 17:56:14 [INFO] $4/time: $5Changes the time on each $4world";
  11.         var tagsCT = new[] { "$1","$2","$3","$4" };
  12.  
  13.         var tagIndices = new Dictionary<string,  IList<int>>();
  14. 		foreach (string tag in tagsCT)
  15. 		{
  16. 		    IList<int> indices;
  17. 		    if (tagIndices.TryGetValue(tag, out indices))
  18. 		        continue; // to prevent the same indices on duplicate tags, you could also use a HashSet<string> instead of the array
  19. 		    else
  20. 		    {
  21. 		        indices = new List<int>();
  22. 		        tagIndices.Add(tag, indices);
  23. 		    }
  24. 		    int index = text.IndexOf(tag);
  25. 		    while (index >= 0)
  26. 		    {
  27. 		        indices.Add(index);
  28. 		        index = text.IndexOf(tag, index + 1);
  29. 		    }
  30. 		}
  31.  
  32.         foreach(var kv in tagIndices)
  33.             Console.WriteLine("Tag: {0} Indices: {1}", 
  34.             	kv.Key,
  35.             	String.Join(",",kv.Value.Select(i=>i.ToString()).ToArray()));
  36. 	}
  37. }
Success #stdin #stdout 0.06s 34200KB
comments (?)
stdin 
Standard input is empty
stdout 
Tag: $1 Indices: 
Tag: $2 Indices: 
Tag: $3 Indices: 
Tag: $4 Indices: 27,63
https://ideone.com/GU0vmk
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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