New: Parsing multi-episode file with two and three digit episode numbers

Closes #6631

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

@@ -77,6 +77,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Series Title (S15E06-08) City Sushi", "Series Title", 15, new[] { 6, 7, 8 })]
         [TestCase("Босх: Спадок (S2E1-4) / Series: Legacy (S2E1-4) (2023) WEB-DL 1080p Ukr/Eng | sub Eng", "Series: Legacy", 2, new[] { 1, 2, 3, 4 })]
         [TestCase("Босх: Спадок / Series: Legacy / S2E1-4 of 10 (2023) WEB-DL 1080p Ukr/Eng | sub Eng", "Series: Legacy", 2, new[] { 1, 2, 3, 4 })]
+        [TestCase("Series Title - S26E96-97-98-99-100 - Episode 5931 + Episode 5932 + Episode 5933 + Episode 5934 + Episode 5935", "Series Title", 26, new[] { 96, 97, 98, 99, 100 })]
 
         // [TestCase("", "", , new [] {  })]
         public void should_parse_multiple_episodes(string postTitle, string title, int season, int[] episodes)

src/NzbDrone.Core/Parser/Parser.cs

@@ -186,6 +186,10 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^((?<title>.*?)[ ._]\/[ ._])+\(?S(?<season>(?<!\d+)\d{1,2}(?!\d+))(?:\W|_)?E?[ ._]?(?<episode>(?<!\d+)\d{1,2}(?!\d+))(?:-(?<episode>(?<!\d+)\d{1,2}(?!\d+)))?([ ._]of[ ._]\d+)?\)?[ ._][\(\[]",
                     RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+                // Multi-episode with title (S01E99-100, S01E05-06)
+                new Regex(@"^(?<title>.+?)(?:[-_\W](?<![()\[!]))+S(?<season>(?<!\d+)(?:\d{1,2})(?!\d+))E(?<episode>\d{2,3}(?!\d+))(?:-(?<episode>\d{2,3}(?!\d+)))+(?:[-_. ]|$)",
+                    RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
                 // Multi-episode with title (S01E05-06, S01E05-6)
                 new Regex(@"^(?<title>.+?)(?:[-_\W](?<![()\[!]))+S(?<season>(?<!\d+)(?:\d{1,2})(?!\d+))E(?<episode>\d{1,2}(?!\d+))(?:-(?<episode>\d{1,2}(?!\d+)))+(?:[-_. ]|$)",
                     RegexOptions.IgnoreCase | RegexOptions.Compiled),