Fix for episodes with "Part" in the Episode Title being picked up as mini-series releases.

NzbDrone.Core.Test/ParserTest.cs

@@ -62,6 +62,7 @@ namespace NzbDrone.Core.Test
         [TestCase("S6E02-Unwrapped-(Playing With Food) - [DarkData]", "", 6, 2)]
         [TestCase("S06E03-Unwrapped-(Number Ones Unwrapped) - [DarkData]", "", 6, 3)]
         [TestCase("The Mentalist S02E21 18 5 4 720p WEB DL DD5 1 h 264 EbP", "The Mentalist", 2, 21)]
+        [TestCase("01x04 - Halloween, Part 1 - 720p WEB-DL", "", 1, 4)]
         public void ParseTitle_single(string postTitle, string title, int seasonNumber, int episodeNumber)
         {
             var result = Parser.ParseTitle(postTitle);

NzbDrone.Core/Parser.cs

@@ -33,10 +33,6 @@ namespace NzbDrone.Core
                                     new Regex(@"^(?<title>.+?)(?:\W+S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\s[ex]){1,2}(?<episode>\d{2}(?!\d+)))+)\W?(?!\\)",
 		                                RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
-                                    //Mini-Series, treated as season 1, episodes are labeled as Part01, Part 01, Part.1
-                                    new Regex(@"^(?<title>.+?)(?:\W+(?:(?:Part\W?|(?<!\d+\W+)e)(?<episode>\d{1,2}(?!\d+)))+)\W?(?!\\)",
-                                        RegexOptions.IgnoreCase | RegexOptions.Compiled),
-
                                     //Episodes without a title, Single (S01E05, 1x05) AND Multi (S01E04E05, 1x04x05, etc)
                                     new Regex(@"^(?:S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex])(?<episode>\d{1,2}(?!\d+)))+\W*)+\W?(?!\\)",
 			                            RegexOptions.IgnoreCase | RegexOptions.Compiled),
@@ -53,6 +49,10 @@ namespace NzbDrone.Core
                                     new Regex(@"^(?<title>.+?)?(?:\W?(?<season>(?<!\d+)\d{1})(?<episode>\d{2}(?!p|i|\d+)))+\W?(?!\\)",
                                         RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+                                    //Mini-Series, treated as season 1, episodes are labeled as Part01, Part 01, Part.1
+                                    new Regex(@"^(?<title>.+?)(?:\W+(?:(?:Part\W?|(?<!\d+\W+)e)(?<episode>\d{1,2}(?!\d+)))+)\W?(?!\\)",
+                                        RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
                                         //Supports Season only releases
                                     new Regex(@"^(?<title>.+?)\W(?:S|Season)\W?(?<season>\d{1,2}(?!\d+))\W?(?<extras>EXTRAS|SUBPACK)?(?!\\)",
                                         RegexOptions.IgnoreCase | RegexOptions.Compiled)