Fixed: Overly aggressive exception release group parsing

(cherry picked from commit 0183812cc58dad0e555125ddd8b33a85cbdecbf2)

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

@@ -17,6 +17,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("[TR24][OF] Good Charlotte - Generation Rx - 2018", null)]
         [TestCase("The.Good.Series.S05E03.Series.of.Intelligence.1080p.10bit.AMZN.WEB-DL.DDP5.1.HEVC-Vyndros", "Vyndros")]
         [TestCase("Artist.Title-Album.Title.1080p.DSNP.WEB-DL.DDP2.0.H.264-VARYG", "VARYG")]
+        [TestCase("Artist Title - Album Title (Showtime) (1080p.BD.DD5.1.x265-TheSickle[TAoE])", "TheSickle")]
 
         // [TestCase("", "")]
         public void should_parse_release_group(string title, string expected)

src/NzbDrone.Core/Parser/Parser.cs

@@ -207,7 +207,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex ExceptionReleaseGroupRegexExact = new Regex(@"(?<releasegroup>(?:D\-Z0N3|Fight-BB|VARYG|E\.N\.D)\b)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         // 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)(?=\]|\)))", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        private static readonly Regex ExceptionReleaseGroupRegex = new Regex(@"(?<=[._ \[])(?<releasegroup>(Silence|afm72|Panda|Ghost|MONOLITH|Tigole|Joy|ImE|UTR|t3nzin|Anime Time|Project Angel|Hakata Ramen|HONE|Vyndros|SEV|Garshasp|Kappa|Natty|RCVR|SAMPA|YOGI|r00t|EDGE2020|RZeroX)(?=\]|\)))", RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         private static readonly Regex WordDelimiterRegex = new Regex(@"(\s|\.|,|_|-|=|\|)+", RegexOptions.Compiled);
         private static readonly Regex PunctuationRegex = new Regex(@"[^\w\s]", RegexOptions.Compiled);