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  1. using System;
  2. using System.Collections.Generic;
  3. using System.IO;
  4. using System.Linq;
  5. using System.Text.RegularExpressions;
  6.  
  7. public class Test
  8. {
  9. 	public static void Main()
  10. 	{
  11.     	var strs = new string[] {"https://18.56.199.56/Directory1/././Directory2/filename.txt",
  12.     		"https://18.56.199.56/Directory1/../../Directory2/filename.txt",
  13.     		"https://18.56.199.56/Directory1/Directory2/filename.txt"
  14.     	};
  15.     	foreach (var s in strs)
  16. 		    if (s.Contains("/../") || s.Contains("/./")) 
  17.         		Console.WriteLine("True: {0}", s);
  18.         	else
  19.         		Console.WriteLine("False: {0}", s);
  20. 	}
  21. }
Success #stdin #stdout 0.01s 131520KB
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stdin
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Standard input is empty
stdout
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True: https://18.56.199.56/Directory1/././Directory2/filename.txt
True: https://18.56.199.56/Directory1/../../Directory2/filename.txt
False: https://18.56.199.56/Directory1/Directory2/filename.txt
https://ideone.com/3DQAwp
language:
C# (gmcs 5.20.1)
created:
4 years ago
visibility:
secret

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