Fixed: Don't parse part # in brackets as mini series style naming

Closes #1265

src/NzbDrone.Core.Test/ParserTests/CrapParserFixture.cs

@@ -99,5 +99,11 @@ namespace NzbDrone.Core.Test.ParserTests
         {
             Parser.Parser.ParseTitle(fileName).Should().BeNull();
         }
+
+        [TestCase("Specials/Series - Episode Title (part 1)")]
+        public void should_not_parse_special_with_part_number(string fileName)
+        {
+            Parser.Parser.ParseTitle(fileName).Should().BeNull();
+        }
     }
 }

src/NzbDrone.Core/Parser/Parser.cs

@@ -193,7 +193,7 @@ namespace NzbDrone.Core.Parser
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Mini-Series, treated as season 1, episodes are labelled as Part01, Part 01, Part.1
-                new Regex(@"^(?<title>.+?)(?:\W+(?:(?:Part\W?|(?<!\d+\W+)e)(?<episode>\d{1,2}(?!\d+)))+)",
+                new Regex(@"^(?<title>.+?)(?:\W+(?:(?:(?<!\()Part\W?|(?<!\d+\W+)e)(?<episode>\d{1,2}(?!\d+|\))))+)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Mini-Series, treated as season 1, episodes are labelled as Part One/Two/Three/...Nine, Part.One, Part_One