Simplify regex

Author: Piotr-Szperka

Adia.Ssn.Tests/Validators/AhvValidatorTests.cs

@@ -25,7 +25,6 @@ public void Setup()
         [TestCase("756.0298.4726.97", true)]
         [TestCase("756.5113.6381.28", true)]
         [TestCase("756.5466.9658.89", true)]
-        [TestCase("756.5466.9658.89", true)]
         [TestCase("756.5466.965889", false)]
         [TestCase("755:5466.9658.89", false)]
         [TestCase("7561656967213", false)]

Adia.SsnValidator/Validators/AhvValidator.cs

@@ -8,7 +8,7 @@ public class AhvValidator : IValidator
     {
         public bool Validate(string ahv)
         {
-            var regex = new Regex(@"^756\.[\d]{4}[\.][\d]{4}[\.][\d]{2}$");
+            var regex = new Regex(@"^756\.\d{4}\.\d{4}\.\d{2}$");
             if(!regex.IsMatch(ahv))
             {
                 return false;