New: Parse anime seasons with trailing number in title

Closes #6883

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

@@ -33,6 +33,8 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Series No More S01 2023 1080p WEB-DL AVC AC3 2.0 Dual Audio -ZR-", "Series No More", 1)]
         [TestCase("Series Title / S1E1-8 of 8 [2024, WEB-DL 1080p] + Original + RUS", "Series Title", 1)]
         [TestCase("Series Title / S2E1-16 of 16 [2022, WEB-DL] RUS", "Series Title", 2)]
+        [TestCase("[hchcsen] Mobile Series 00 S01 [BD Remux Dual Audio 1080p AVC 2xFLAC] (Kidou Senshi Gundam 00 Season 1)", "Mobile Series 00", 1)]
+        [TestCase("[HorribleRips] Mobile Series 00 S1 [1080p]", "Mobile Series 00", 1)]
         public void should_parse_full_season_release(string postTitle, string title, int season)
         {
             var result = Parser.Parser.ParseTitle(postTitle);

src/NzbDrone.Core/Parser/Parser.cs

@@ -126,6 +126,10 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^\[(?<subgroup>.+?)\][-_. ]?(?<title>.+?)(?:(?<!\b[0]\d+))(?<absoluteepisode>\d{2,3}(\.\d{1,2})?(?!\d+|[-]))[. ]-[. ](?<absoluteepisode>\d{2,3}(\.\d{1,2})?(?!\d+|[-]))(?:[-_. ]+(?<special>special|ova|ovd))?.*?(?<hash>[(\[]\w{8}[)\]])?(?:$|\.mkv)",
                     RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+                // Anime - [SubGroup] Title with trailing number S## (Full season)
+                new Regex(@"^\[(?<subgroup>.+?)\][-_. ]?(?<title>.+?)[-_. ]+(?:S(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))).+?(?:$|\.mkv)",
+                    RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
                 // Anime - [SubGroup] Title Absolute Episode Number
                 new Regex(@"^\[(?<subgroup>.+?)\][-_. ]?(?<title>.+?)[-_. ]+\(?(?:[-_. ]?#?(?<absoluteepisode>\d{2,3}(\.\d{1,2})?(?!\d+|-[a-z]+)))+\)?(?:[-_. ]+(?<special>special|ova|ovd))?.*?(?<hash>[(\[]\w{8}[)\]])?(?:$|\.mkv)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),