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  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		string[] strings = { "/api/ping.json",
  9.                 "/api/ping",
  10.                 "/api/ping/xxx/sss.json",
  11.                 "/api/ping.xml",
  12.                 "/api/ping/.json",
  13.                 "/api/pingpong",
  14.                 "/api/ping_pong",
  15.                 "/api/ping-pong"
  16.                 };
  17.             string pattern = @"/api/ping(?:(?:/[^/\s]+)*\.\S+|$)";
  18.             foreach (String s in strings) {
  19.                 if (Regex.IsMatch(s, pattern)) {
  20.                     Console.WriteLine("Valid: {0}", s);
  21.                 } else {
  22.                     Console.WriteLine("Invalid: {0}", s);
  23.                 }
  24.             }
  25. 	}
  26. }
Success #stdin #stdout 0.03s 134592KB
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stdin
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Standard input is empty
stdout
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Valid: /api/ping.json
Valid: /api/ping
Valid: /api/ping/xxx/sss.json
Valid: /api/ping.xml
Invalid: /api/ping/.json
Invalid: /api/pingpong
Invalid: /api/ping_pong
Invalid: /api/ping-pong
https://ideone.com/xuLruV
language:
C# (gmcs 5.20.1)
created:
5 years ago
visibility:
public

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