Fixed: Parsing of anime that uses standard numbering and includes episode number at end

Closes #5331

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

@@ -116,8 +116,8 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Anime Title S21 999", "Anime Title S21", 999, 0, 0)]
         [TestCase("Anime Title S21 1000", "Anime Title S21", 1000, 0, 0)]
         [TestCase("[HatSubs] Anime Title 1004 [E63F2984].mkv", "Anime Title", 1004, 0, 0)]
-        [TestCase("Mob Psycho 100 S3 - 01 (1080p) [5A493522]", "Mob Psycho 100 S3", 1, 0, 0)]
-        [TestCase("[SubsPlease] Mob Psycho 100 S3 - 01 (1080p) [5A493522]", "Mob Psycho 100 S3", 1, 0, 0)]
+        [TestCase("Anime Title 100 S3 - 01 (1080p) [5A493522]", "Anime Title 100 S3", 1, 0, 0)]
+        [TestCase("[SubsPlease] Anime Title 100 S3 - 01 (1080p) [5A493522]", "Anime Title 100 S3", 1, 0, 0)]
 
         // [TestCase("", "", 0, 0, 0)]
         public void should_parse_absolute_numbers(string postTitle, string title, int absoluteEpisodeNumber, int seasonNumber, int episodeNumber)

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

@@ -156,6 +156,8 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("1x1", "", 1, 1)]
         [TestCase("Series Title [2022] [S25E13] [PL] [720p] [WEB-DL-CZRG] [x264] ", "Series Title [2022]", 25, 13)]
         [TestCase("Series T Se.3 afl.3", "Series T", 3, 3)]
+        [TestCase("[Anime Chap] Anime Title! S01E09 [WEB 1080p] {OP & ED Lyrics} - Episode 9 (The Eminence in Shadow)", "Anime Title!", 1, 9)]
+        [TestCase("[Anime Chap] Anime Title! S01E12 [WEB 1080p] {OP & ED Lyrics} - Episode 12 (The Eminence in Shadow)", "Anime Title!", 1, 12)]
 
         // [TestCase("", "", 0, 0)]
         public void should_parse_single_episode(string postTitle, string title, int seasonNumber, int episodeNumber)

src/NzbDrone.Core/Parser/Parser.cs

@@ -69,6 +69,10 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^(?:S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:(?:[-_ ]?[ex])(?<episode>\d{2,3}(?!\d+))))",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+                // Anime - [SubGroup] Title Season+Episode
+                new Regex(@"^(?:\[(?<subgroup>.+?)\](?:_|-|\s|\.)?)(?<title>.+?)(?:[-_\W](?<![()\[!]))+(?:S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:[ex]|\W[ex]){1,2}(?<episode>\d{2}(?!\d+)))+)(?:[_. ](?!\d+)).*?(?<hash>\[\w{8}\])?(?:$|\.)",
+                    RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
                 // Anime - [SubGroup] Title Episode Absolute Episode Number ([SubGroup] Series Title Episode 01)
                 new Regex(@"^(?:\[(?<subgroup>.+?)\][-_. ]?)(?<title>.+?)[-_. ](?:Episode)(?:[-_. ]+(?<absoluteepisode>(?<!\d+)\d{2,3}(\.\d{1,2})?(?!\d+)))+(?:_|-|\s|\.)*?(?<hash>\[.{8}\])?(?:$|\.)?",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
@@ -81,10 +85,6 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^(?:\[(?<subgroup>.+?)\](?:_|-|\s|\.)?)(?<title>.+?)(?:[-_\W](?<![()\[!]))+(?:S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:\-|[ex]|\W[ex]){1,2}(?<episode>\d{2}(?!\d+)))+)(?:(?:_|-|\s|\.)+(?<absoluteepisode>(?<!\d+)\d{2,3}(\.\d{1,2})?(?!\d+|\-[a-z])))+.*?(?<hash>\[\w{8}\])?(?:$|\.)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
-                // Anime - [SubGroup] Title Season+Episode
-                new Regex(@"^(?:\[(?<subgroup>.+?)\](?:_|-|\s|\.)?)(?<title>.+?)(?:[-_\W](?<![()\[!]))+(?:S?(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:(?:[ex]|\W[ex]){1,2}(?<episode>\d{2}(?!\d+)))+)(?:\s|\.).*?(?<hash>\[\w{8}\])?(?:$|\.)",
-                          RegexOptions.IgnoreCase | RegexOptions.Compiled),
-
                 // Anime - [SubGroup] Title with trailing number Absolute Episode Number - Batch separated with tilde
                 new Regex(@"^\[(?<subgroup>.+?)\][-_. ]?(?<title>.+?[^-]+?)(?:(?<![-_. ]|\b[0]\d+) - )[-_. ]?(?<absoluteepisode>\d{2,3}(\.\d{1,2})?(?!\d+))\s?~\s?(?<absoluteepisode>\d{2,3}(\.\d{1,2})?(?!\d+))(?:[-_. ]+(?<special>special|ova|ovd))?.*?(?<hash>\[\w{8}\])?(?:$|\.mkv)",
                     RegexOptions.IgnoreCase | RegexOptions.Compiled),