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  1. using System;
  2. using System.IO;
  3. using System.Text.RegularExpressions;
  4.  
  5. public class Test
  6. {
  7. 	public static void Main()
  8. 	{
  9. 		var s = "5123456";
  10.         var matches = Regex.Matches(s, @"\b(5\d{6}|1\d{5})\b");
  11.         foreach (Match m in matches)
  12.         		Console.WriteLine(m.Value);
  13.  
  14. 	}
  15. }
Success #stdin #stdout 0.11s 24288KB
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stdin
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Standard input is empty
stdout
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5123456
https://ideone.com/TpMlHz
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
secret

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