code.grnet.gr Git - pithos-ms-client/blob - trunk/hammock/src/net35/Hammock/Validation/ValidEmailSpecification.cs

   1 using System.Text.RegularExpressions;
   2 using Hammock.Specifications;
   3
   4 namespace Hammock.Validation
   5 {
   6     public class ValidEmailSpecification : HammockSpecification<string>
   7     {
   8         // Accepts names, i.e. John Smith <john@johnsmith.com>
   9         private static readonly Regex _names =
  10             new Regex(
  11                 @"\w*<([-_a-z0-9'+*$^&%=~!?{}]+(?:\.[-_a-z0-9'+*$^&%=~!?{}]+)*@(?:(?![-.])[-a-z0-9.]+(?<![-.])\.[a-z]{2,6}|\d{1,3}(?:\.\d{1,3}){3})(?::\d+)?)>",
  12 #if !SL4 && !MonoTouch
  13                 RegexOptions.Compiled |
  14 #endif
  15                  RegexOptions.IgnoreCase
  16                 );
  17
  18         // Just an email address
  19         private static readonly Regex _explicit =
  20             new Regex(
  21                 @"^[-_a-z0-9'+*$^&%=~!?{}]+(?:\.[-_a-z0-9'+*$^&%=~!?{}]+)*@(?:(?![-.])[-a-z0-9.]+(?<![-.])\.[a-z]{2,6}|\d{1,3}(?:\.\d{1,3}){3})(?::\d+)?$",
  22 #if !SL4 && !MonoTouch
  23                 RegexOptions.Compiled |
  24 #endif
  25                  RegexOptions.IgnoreCase
  26                 );
  27
  28         public override bool IsSatisfiedBy(string instance)
  29         {
  30             var result = _explicit.IsMatch(instance) || _names.IsMatch(instance);
  31
  32             return result;
  33         }
  34     }
  35 }