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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. 		var s = "abc 123 and 4";
  9. 		var res = Regex.Replace(s, @"\D+", "");
  10. 		Console.Write(res);
  11. 	}
  12. }
Success #stdin #stdout 0.02s 134208KB
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stdin
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Standard input is empty
stdout
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1234
https://ideone.com/jXMOBk
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
secret

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