Fixed: Parsing when using episode number as folder name in naming config

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

@@ -34,6 +34,7 @@ namespace NzbDrone.Core.Test.ParserTests
         public void should_parse_from_path(string path, int season, int episode)
         {
             var result = Parser.Parser.ParsePath(path.AsOsAgnostic());
+
             result.EpisodeNumbers.Should().HaveCount(1);
             result.SeasonNumber.Should().Be(season);
             result.EpisodeNumbers[0].Should().Be(episode);
@@ -42,5 +43,20 @@ namespace NzbDrone.Core.Test.ParserTests
 
             ExceptionVerification.IgnoreWarns();
         }
+
+        [TestCase("01-03\\The Series Title (2010) - 1x01-02-03 - Episode Title HDTV-720p Proper", "The Series Title (2010)", 1, new [] { 1, 2, 3 })]
+        public void should_parse_multi_episode_from_path(string path, string title, int season, int[] episodes)
+        {
+            var result = Parser.Parser.ParsePath(path.AsOsAgnostic());
+
+            result.SeriesTitle.Should().Be(title);
+            result.EpisodeNumbers.Should().HaveCount(episodes.Length);
+            result.SeasonNumber.Should().Be(season);
+            result.EpisodeNumbers.Should().BeEquivalentTo(episodes);
+            result.AbsoluteEpisodeNumbers.Should().BeEmpty();
+            result.FullSeason.Should().BeFalse();
+
+            ExceptionVerification.IgnoreWarns();
+        }
     }
 }

src/NzbDrone.Core/Parser/Parser.cs

@@ -26,8 +26,12 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^(?:\W*S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:(?:[ex]){1,2}(?<episode>\d{1,3}(?!\d+)))+){2,}",
                           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{4})(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+)))+)",
+                //Episodes without a title, Multi (S01E04E05, 1x04x05, etc)
+                new Regex(@"^(?:S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:(?:[-_]|[ex])(?<episode>\d{2,3}(?!\d+))){2,})",
+                          RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
+                //Episodes without a title, Single (S01E05, 1x05)
+                new Regex(@"^(?:S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:(?:[-_ ]?[ex])(?<episode>\d{2,3}(?!\d+))))",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Anime - [SubGroup] Title Episode Absolute Episode Number ([SubGroup] Series Title Episode 01)