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  1. using static System.Console;
  2. using System.Text;
  3.  
  4. public class Test {
  5. 	public static void Main()	{
  6. 		WriteLine(RemoveNonDigits("M1245D454"));
  7. 	}
  8.  
  9. 	static string RemoveNonDigits(string text) {
  10. 		var newText = new StringBuilder(text.Length);
  11. 		foreach (var c in text) if (!char.IsDigit(c)) newText.Append(c);
  12. 		return newText.ToString();		
  13. 	}
  14. }
  15.  
  16. //https://pt.stackoverflow.com/q/123453/101
Success #stdin #stdout 0.02s 22360KB
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Standard input is empty
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MD
https://ideone.com/BTxEl5
language:
C# (gmcs 5.20.1)
created:
1 year ago
visibility:
public

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