From 9189d8bf4d515744c05d7f12815b673535d04514 Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Sun, 29 Dec 2019 01:48:56 -0800
Subject: [PATCH] Fixed: Parsing of poorly named double episode releases

Fixes #3439
---
 .../ParserTests/MultiEpisodeParserFixture.cs                  | 3 +++
 src/NzbDrone.Core/Parser/Parser.cs                            | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/src/NzbDrone.Core.Test/ParserTests/MultiEpisodeParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/MultiEpisodeParserFixture.cs
index b447f36ba..16900c5d8 100644
--- a/src/NzbDrone.Core.Test/ParserTests/MultiEpisodeParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/MultiEpisodeParserFixture.cs
@@ -62,6 +62,9 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Are.You.Human.Too.E07-E08.180612.1080p-NEXT", "Are You Human Too", 1, new[] { 7, 8 })]
         [TestCase("Are You Human Too? E11-E12 1080p HDTV AAC H.264-NEXT", "Are You Human Too", 1, new[] { 11, 12 })]
         [TestCase("The Series Title (2010) - [S01E01-02-03] - Episode Title", "The Series Title (2010)", 1, new [] { 1, 2, 3 })]
+        [TestCase("[AqusiQ-TorrentS.pl]The.Name.of.the.Rose.S01E05-06.PL.2160p-Ralf[shogho]", "The Name of the Rose", 1, new[] { 5, 6 })]
+        [TestCase("[AgusiQ-TorrentS.pl] The.Name.of.the.Rose.S01E05-E06.PL.1080i.Ralf [jans12]", "The Name of the Rose", 1, new[] { 5, 6 })]
+        [TestCase("The.Name.of.the.Rose.S01E05-6.PL.1080p.WEBRip.x264-666", "The Name of the Rose", 1, new[] { 5, 6 })]
         //[TestCase("", "", , new [] {  })]
         public void should_parse_multiple_episodes(string postTitle, string title, int season, int[] episodes)
         {
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index 6547335d7..403baf29a 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -116,6 +116,10 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^(?<title>.+?)?\W*(?<airyear>\d{4})\W+(?<airmonth>[0-1][0-9])\W+(?<airday>[0-3][0-9])(?!\W+[0-3][0-9]).+?(?:s?(?<season>(?<!\d+)(?:\d{1,2})(?!\d+)))(?:[ex](?<episode>(?<!\d+)(?:\d{1,3})(?!\d+)))",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+                // Multi-episode with title (S01E05-06, S01E05-6)
+                new Regex(@"^(?<title>.+?)[-_. ]S(?<season>(?<!\d+)(?:\d{1,2})(?!\d+))E(?<episode>\d{1,2}(?!\d+))-(?<episode>\d{1,2}(?!\d+))[-_. ]",
+                    RegexOptions.IgnoreCase | RegexOptions.Compiled), 
+
                 //Episodes with a title, Single episodes (S01E05, 1x05, etc) & Multi-episode (S01E05E06, S01E05-06, S01E05 E06, etc)
                 new Regex(@"^(?<title>.+?)(?:(?:[-_\W](?<![()\[!]))+S?(?<season>(?<!\d+)(?:\d{1,2})(?!\d+))(?:[ex]|\W[ex]){1,2}(?<episode>\d{2,3}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+)))*)\W?(?!\\)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),