--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SilverlightValidation/SilverlightValidation.PL/Validators/UserModelValidator.cs	Sat May 05 13:29:56 2012 +0100
@@ -0,0 +1,36 @@
+using System;
+using FluentValidation;
+using SilverlightValidation.Interfaces;
+
+namespace SilverlightValidation.Validators
+{
+    public class UserModelValidator : AbstractValidator<IUserModel>
+    {
+        public UserModelValidator()
+        {
+            RuleFor(x => x.Username)
+                .Length(3, 8)
+                .WithMessage("Must be between 3-8 characters.");
+
+            RuleFor(x => x.Password)
+                .Matches(@"^\w*(?=\w*\d)(?=\w*[a-z])(?=\w*[A-Z])\w*$")
+                .WithMessage("Must contain lower, upper and numeric chars.");
+
+            RuleFor(x => x.Email)
+                .EmailAddress()
+                .WithMessage("A valid email address is required.");
+
+            RuleFor(x => x.DateOfBirth)
+                .Must(BeAValidDateOfBirth)
+                .WithMessage("Must be within 100 years of today.");
+        }
+
+        private bool BeAValidDateOfBirth(DateTime? dateOfBirth)
+        {
+            if (dateOfBirth == null) return false;
+            if (dateOfBirth.Value > DateTime.Today || dateOfBirth < DateTime.Today.AddYears(-100))
+                return false;
+            return true;
+        }
+    }
+}