Fixed: Support for poorly numbered multi-episode releases

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

@@ -38,6 +38,9 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Neighbours.S29E161-E165.PDTV.x264-FQM", "Neighbours", 29, new[] { 161, 162, 163, 164, 165 })]
         [TestCase("Shortland.Street.S22E5363-E5366.HDTV.x264-FiHTV", "Shortland Street", 22, new[] { 5363, 5364, 5365, 5366 })]
         [TestCase("the.office.101.102.hdtv-lol", "The Office", 1, new[] { 1, 2 })]
+        [TestCase("extant.10708.hdtv-lol.mp4", "Extant", 1, new[] { 7, 8 })]
+        [TestCase("extant.10910.hdtv-lol.mp4", "Extant", 1, new[] { 9, 10 })]
+        [TestCase("E.010910.HDTVx264REPACKLOL.mp4", "E", 1, new[] { 9, 10 })]
         //[TestCase("Adventure Time - 5x01 - x02 - Finn the Human (2) & Jake the Dog (3)", "Adventure Time", 5, new [] { 1, 2 })]
         public void should_parse_multiple_episodes(string postTitle, string title, int season, int[] episodes)
         {

src/NzbDrone.Core/Parser/Parser.cs

@@ -100,7 +100,11 @@ namespace NzbDrone.Core.Parser
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Anime - Title Absolute Episode Number 
-                new Regex(@"^(?:\[(?<subgroup>.+?)\][-_. ]?)?(?<title>.+?)(?:(?:_|-|\s|\.)+(?<absoluteepisode>\d{2,3}))+.*?(?<hash>\[.{8}\])?(?:$|\.)",
+                new Regex(@"^(?:\[(?<subgroup>.+?)\][-_. ]?)?(?<title>.+?)(?:(?:_|-|\s|\.)+(?<absoluteepisode>(?<!\d+)\d{2,3}(?!\d+)))+(?:_|-|\s|\.)*?(?<hash>\[.{8}\])?(?:$|\.)?",
+                          RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
+                //Extant, terrible multi-episode naming (extant.10708.hdtv-lol.mp4)
+                new Regex(@"^(?<title>.+?)[-_. ](?<season>[0]?\d?)(?:(?<episode>\d{2}){2}(?!\d+))[-_. ]",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled)
             };
 
@@ -128,7 +132,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex AirDateRegex = new Regex(@"^(.*?)(?<!\d)((?<airyear>\d{4})[_.-](?<airmonth>[0-1][0-9])[_.-](?<airday>[0-3][0-9])|(?<airmonth>[0-1][0-9])[_.-](?<airday>[0-3][0-9])[_.-](?<airyear>\d{4}))(?!\d)",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly Regex SixDigitAirDateRegex = new Regex(@"^(?:.+?)(?<airdate>(?<!\d)(?<airyear>\d{2})(?<airmonth>[0-1][0-9])(?<airday>[0-3][0-9]))",
+        private static readonly Regex SixDigitAirDateRegex = new Regex(@"^(?:.+?)(?<airdate>(?<!\d)(?<airyear>[1-9]\d{1})(?<airmonth>[0-1][0-9])(?<airday>[0-3][0-9]))",
                                                                         RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         private static readonly Regex ReleaseGroupRegex = new Regex(@"-(?<releasegroup>[a-z0-9]+)\b(?<!WEB-DL|480p|720p|1080p)",