Compilation: Fix case inconsistencies

src/NzbDrone.Core/Organizer/FileNameBuilderTokenEqualityComparer.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace NzbDrone.Core.Organizer
+{
+    public class FileNameBuilderTokenEqualityComparer : IEqualityComparer<String>
+    {
+        public static readonly FileNameBuilderTokenEqualityComparer Instance = new FileNameBuilderTokenEqualityComparer();
+
+        private static readonly Regex SimpleTokenRegex = new Regex(@"\s|_|\W", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+
+        private FileNameBuilderTokenEqualityComparer()
+        {
+            
+        }
+
+        public bool Equals(String s1, String s2)
+        {
+            return SimplifyToken(s1).Equals(SimplifyToken(s2));
+        }
+
+        public int GetHashCode(String str)
+        {
+            return SimplifyToken(str).GetHashCode();
+        }
+
+        private static string SimplifyToken(string token)
+        {
+            return SimpleTokenRegex.Replace(token, String.Empty).ToLower();
+        }
+    }
+}