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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 text = "Statement_10125229_20170807.pdf";
  12. 		// No regex
  13.     	Console.WriteLine(Path.GetFileNameWithoutExtension(text).Split('_').LastOrDefault());
  14.     	// Regex
  15.     	Console.WriteLine(Regex.Match(text, @"_(\d+)\.pdf$")?.Groups[1].Value);
  16. 	}
  17. }
Success #stdin #stdout 0.08s 28868KB
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Standard input is empty
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20170807
20170807
https://ideone.com/3t3SKn
language:
C# (gmcs 5.20.1)
created:
5 years ago
visibility:
secret

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