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  1. using System;
  2. using System.Text.RegularExpressions;
  3.  
  4. namespace Recetas.Ch01
  5. {
  6. 	///<summary>
  7. 	/// Conjunto de utilidades para la validación de recursos Web: URL, email.
  8. 	///</summary>
  9. 	public static class UtilitarioWeb
  10. 	{
  11. 		///<summary>
  12. 		/// Valida una dirección de email:  id@dominio
  13. 		///</summary>
  14. 		/// <param name="email">Dirección de email a validar.</param>
  15. 		///<returns>
  16. 		/// true si la dirección de correo electrónico es válida, false en caso contrario.
  17. 		///</returns>
  18. 		public static bool ValidarEmail(string email)
  19. 		{
  20. 			Regex regex = new Regex(@"^(([\w-]+\.)+[\w-]+|([a-zA-Z]{1}|[\w-]{2,}))@" + @"((([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\.([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\." + @"([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\.([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])){1}|" + @"([a-zA-Z]+[\w-]+\.)+[a-zA-Z]{2,4})$");
  21. 			return regex.IsMatch(email);
  22. 		}
  23.  
  24. 		///<summary>
  25. 		/// Valida una dirección Web.
  26. 		///</summary>
  27. 		/// <param name="url">URL a validar.</param>
  28. 		/// <returns>
  29. 		///	true si la dirección es valida, y false si no lo es.
  30. 		///</returns>
  31. 		public static bool ValidarUrl(string url)
  32. 		{
  33. 			string pattern = @"^http(s)?://([\w-]+.)+[\w-]+(/[\w- ./?%&=])?$";
  34. 			Regex reg = new Regex(pattern, RegexOptions.Compiled | RegexOptions.IgnoreCase);
  35. 			return reg.IsMatch(url);
  36. 		}
  37.  
  38. 		public static void Main(string[] args)
  39. 		{
  40. 			Console.WriteLine(UtilitarioWeb.ValidarUrl("http://o...content-available-to-author-only...t.com"));
  41. 			Console.WriteLine(UtilitarioWeb.ValidarEmail("fernd@outlook.com"));
  42. 		}
  43. 	}
  44. }
Success #stdin #stdout 0.08s 34240KB
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https://ideone.com/rrfrVW
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
secret

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