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  1. using System;
  2. using System.Linq;
  3. using System.Collections.Generic;
  4.  
  5. public class Test
  6. {
  7.  
  8. 	public static void Main()
  9. 	{
  10. 	    string test1 = "abcd5f";
  11.         string[] substrings = { "1", "2", "3", "4", "5" };
  12.         bool contains = test1.ElementAtPosContains(4, substrings);
  13.  
  14.         Console.WriteLine("{0} contains one of {1} at specified index {2}: {3}"
  15.         ,test1
  16.         ,string.Join(",",substrings)
  17.         ,4
  18.         , contains);
  19. 	}
  20.  
  21. }
  22. public static class Extensions
  23. {
  24.         public static bool ElementAtPosContains(this string inputStr, int index, string[] valuesToCheck)
  25.         {
  26.             if (valuesToCheck == null || valuesToCheck.Length == 0 || inputStr.Length < index)
  27.                 return false;
  28.  
  29.             return valuesToCheck.Any(sub => string.CompareOrdinal(inputStr, index, sub, 0, sub.Length) == 0);
  30.         }
  31. }
Success #stdin #stdout 0.03s 33936KB
comments (?)
stdin 
Standard input is empty
stdout 
abcd5f contains one of 1,2,3,4,5 at specified index 4: True
https://ideone.com/aOhKym
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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