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  1. using System.Text.RegularExpressions;
  2. using System;
  3.  
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		String s = "0787654321";
  9.        if (!Regex.IsMatch(s, @"^078\d{7}")) {
  10.        Console.WriteLine("Error! Wrong format.");
  11. }
  12.       else {
  13.       Console.WriteLine("Correct format.");
  14.       }
  15.       }
  16.  
  17. }
Success #stdin #stdout 0.06s 34088KB
comments (?)
stdin
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Standard input is empty
stdout
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Correct format.
https://ideone.com/Gd8zFI
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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