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  1. using System;
  2. using System.Linq;
  3.  
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		var richTextBox1_Text = "sdgsjglksdjgkl,512025151988,512025151988,512025151988,512025151988,512025151988,sdgsgd";
  9. 		Console.Write(
  10. 			string.Join(",", 
  11. 				richTextBox1_Text.Split(',')
  12. 					.Where(m=>m.Length==12 && m.All(char.IsDigit))));
  13. 	}
  14. }
Success #stdin #stdout 0.03s 15708KB
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stdin
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Standard input is empty
stdout
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512025151988,512025151988,512025151988,512025151988,512025151988
https://ideone.com/EYR5hn
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
secret

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