Fix: Fixed parsing issue for certain multi-part episodes.

NzbDrone.Core.Test/ParserTest.cs

@@ -187,7 +187,7 @@ namespace NzbDrone.Core.Test
         [TestCase("White.Collar.2x04.2x05.720p.BluRay-FUTV", "White.Collar", 2, new[] { 4, 5 })]
         [TestCase("Desperate.Housewives.S07E22E23.720p.HDTV.X264-DIMENSION", "Desperate.Housewives", 7, new[] { 22, 23 })]
         [TestCase("Desparate Housewives - S07E22 - S07E23 - And Lots of Security.. [HDTV].mkv", "Desparate Housewives", 7, new[] { 22, 23 })]
-        [TestCase("S03E01.S03E02.720p.HDTV.X264-DIMENSION", "", 3, new[] { 1, 2 }, 2)]
+        [TestCase("S03E01.S03E02.720p.HDTV.X264-DIMENSION", "", 3, new[] { 1, 2 })]
         [TestCase("Desparate Housewives - S07E22 - 7x23 - And Lots of Security.. [HDTV].mkv", "Desparate Housewives", 7, new[] { 22, 23 })]
         [TestCase("S07E22 - 7x23 - And Lots of Security.. [HDTV].mkv", "", 7, new[] { 22, 23 })]
         [TestCase("2x04x05.720p.BluRay-FUTV", "", 2, new[] { 4, 5 })]

NzbDrone.Core/Parser.cs

@@ -22,21 +22,21 @@ namespace NzbDrone.Core
                                         RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                                     //Multi-Part episodes without a title (S01E05.S01E06)
-                                    new Regex(@"^(?:\W*S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]){1,2}(?<episode>\d{1,2}(?!\d+)))+){2,}\W?(?!\\)",
+                                    new Regex(@"^(?:\W*S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:[ex]){1,2}(?<episode>\d{1,2}(?!\d+)))+){2,}\W?(?!\\)",
 			                            RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                                     //Multi-episode Repeated (S01E05 - S01E06, 1x05 - 1x06, etc)
-                                    new Regex(@"^(?<title>.+?)(?:\W+S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]){1,2}(?<episode>\d{2}(?!\d+)))+){2,}\W?(?!\\)",
+                                    new Regex(@"^(?<title>.+?)(?:\W+S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:[ex]){1,2}(?<episode>\d{2}(?!\d+)))+){2,}\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]|\W[ex])(?<episode>\d{2}(?!\d+)))+\W*)+\W?(?!\\)",
+			                            RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
                                     //Episodes with a title, Single episodes (S01E05, 1x05, etc) & Multi-episode (S01E05E06, S01E05-06, S01E05 E06, etc)
                                     new Regex(@"^(?<title>.+?)(?:\W+S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\W[ex]){1,2}(?<episode>\d{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]|\W[ex])(?<episode>\d{1,2}(?!\d+)))+\W*)+\W?(?!\\)",
-			                            RegexOptions.IgnoreCase | RegexOptions.Compiled),
-
                                     //Episodes over 99 (3-digits or more) (S01E105, S01E105E106, etc)
                                     new Regex(@"^(?<title>.*?)(?:\W?S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]){1,2}(?<episode>\d+))+)+\W?(?!\\)",
                                         RegexOptions.IgnoreCase | RegexOptions.Compiled),