From 3abb7e156a297c1ed9c208a8e4298692e9b82836 Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Sun, 7 Mar 2021 17:31:43 -0800
Subject: [PATCH] Fixed: Parsing of absolute episode number inside square
 brackets

Closes #4331
---
 .../ParserTests/AbsoluteEpisodeNumberParserFixture.cs         | 1 +
 src/NzbDrone.Core/Parser/Parser.cs                            | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/src/NzbDrone.Core.Test/ParserTests/AbsoluteEpisodeNumberParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/AbsoluteEpisodeNumberParserFixture.cs
index 664be773c..532a2b5f6 100644
--- a/src/NzbDrone.Core.Test/ParserTests/AbsoluteEpisodeNumberParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/AbsoluteEpisodeNumberParserFixture.cs
@@ -100,6 +100,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("[HorribleSubs] Series 100 - 07 [1080p].mkv", "Series 100", 7, 0, 0)]
         [TestCase("[HorribleSubs] Series 100 S2 - 07 [1080p].mkv", "Series 100 S2", 7, 0, 0)]
         [TestCase("[abc] Adventure Series: 30 [Web][MKV][h264][720p][AAC 2.0][abc]", "Adventure Series:", 30, 0, 0)]
+        [TestCase("[XKsub] Series Title S2 [05][HEVC-10bit 1080p AAC][CHS&CHT&JPN]", "Series Title S2", 5, 0, 0)]
         //[TestCase("", "", 0, 0, 0)]
         public void should_parse_absolute_numbers(string postTitle, string title, int absoluteEpisodeNumber, int seasonNumber, int episodeNumber)
         {
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index 23eca7ea5..c4cf682e3 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -227,6 +227,10 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^(?:\[(?<subgroup>.+?)\][-_. ]?)?(?<title>.+?)[-_. ]+?(?:Episode[-_. ]+?)(?<absoluteepisode>\d{1}(\.\d{1,2})?(?!\d+))",
                     RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+                // Anime - Absolute episode number in square brackets
+                new Regex(@"^(?:\[(?<subgroup>.+?)\][-_. ]?)(?<title>.+?)[-_. ]+?\[(?<absoluteepisode>\d{2,3}(\.\d{1,2})?(?!\d+))\]",
+                    RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
                 //Season only releases
                 new Regex(@"^(?<title>.+?)\W(?:S|Season|Saison)\W?(?<season>\d{1,2}(?!\d+))(\W+|_|$)(?<extras>EXTRAS|SUBPACK)?(?!\\)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),