Fixed: Overly aggressive exception release group parsing

(cherry picked from commit 0183812cc58dad0e555125ddd8b33a85cbdecbf2)

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

@@ -55,7 +55,8 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Movie.Title.2019.1080p.AMZN.WEB-Rip.DDP.5.1.HEVC", null)]
         [TestCase("Movie Name (2017) [2160p REMUX] [HEVC DV HYBRID HDR10+ Dolby TrueHD Atmos 7 1 24-bit Audio English] [Data Lass]", null)]
         [TestCase("Movie Name (2017) [2160p REMUX] [HEVC DV HYBRID HDR10+ Dolby TrueHD Atmos 7 1 24-bit Audio English]-DataLass", "DataLass")]
-        public void should_parse_expected_release_group(string title, string expected)
+        [TestCase("Movie Name (2017) (Showtime) (1080p.BD.DD5.1.x265-TheSickle[TAoE])", "TheSickle")]
+        public void should_parse_release_group(string title, string expected)
         {
             Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
         }

src/NzbDrone.Core/Parser/Parser.cs

@@ -153,7 +153,7 @@ namespace NzbDrone.Core.Parser
 
         // Handle Exception Release Groups that don't follow -RlsGrp; Manual List
         // groups whose releases end with RlsGroup) or RlsGroup]
-        private static readonly Regex ExceptionReleaseGroupRegex = new Regex(@"(?<releasegroup>(Silence|afm72|Panda|Ghost|MONOLITH|Tigole|Joy|ImE|UTR|t3nzin|Anime Time|Project Angel|Hakata Ramen|HONE|Vyndros|SEV|Garshasp|Kappa|Natty|RCVR|SAMPA|YOGI|r00t|EDGE2020|RZeroX|FreetheFish|Anna|Bandi|Qman|theincognito|HDO|DusIctv|DHD|CtrlHD|-ZR-|ADC|XZVN|RH|Kametsu|Garshasp)(?=\]|\)))", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        private static readonly Regex ExceptionReleaseGroupRegex = new Regex(@"(?<=[._ \[])(?<releasegroup>(Silence|afm72|Panda|Ghost|MONOLITH|Tigole|Joy|ImE|UTR|t3nzin|Anime Time|Project Angel|Hakata Ramen|HONE|Vyndros|SEV|Garshasp|Kappa|Natty|RCVR|SAMPA|YOGI|r00t|EDGE2020|RZeroX|FreetheFish|Anna|Bandi|Qman|theincognito|HDO|DusIctv|DHD|CtrlHD|-ZR-|ADC|XZVN|RH|Kametsu|Garshasp)(?=\]|\)))", RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
        // Handle Exception Release Groups that don't follow -RlsGrp; Manual List
        // name only...BE VERY CAREFUL WITH THIS, HIGH CHANCE OF FALSE POSITIVES