FIxed: Correctly parse German scene bluray REMUXes (#8643)

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

@@ -323,6 +323,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Movie.Title.II.2003.4K.BluRay.Remux.1080p.AVC.DTS-HD.MA.5.1-BMF")]
         [TestCase("Movie Title 2022 (BDRemux 1080p HEVC FLAC) [Netaro]")]
         [TestCase("[Vodes] Movie Title - Other Title (2020) [BDRemux 1080p HEVC Dual-Audio]")]
+        [TestCase("This.Wonderful.Movie.1991.German.ML.1080p.BluRay.AVC-GeRMaNSCeNEGRoUP")]
         public void should_parse_remux1080p_quality(string title)
         {
             ParseAndVerifyQuality(title, Source.BLURAY, false, Resolution.R1080p, Modifier.REMUX);
@@ -335,6 +336,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("[Dolby Vision] Movie.Title.S07.MULTi.UHD.BLURAY.REMUX.DV-NoTag")]
         [TestCase("Movie.Name.2020.German.UHDBD.2160p.HDR10.HEVC.EAC3.DL.Remux-pmHD.mkv")]
         [TestCase("Movie Name (2021) [Remux-2160p x265 HDR 10-BIT DTS-HD MA 7.1]-FraMeSToR.mkv")]
+        [TestCase("This.Wonderful.Movie.1991.German.ML.2160p.BluRay.HEVC-GeRMaNSCeNEGRoUP")]
         public void should_parse_remux2160p_quality(string title)
         {
             ParseAndVerifyQuality(title, Source.BLURAY, false, Resolution.R2160p, Modifier.REMUX);

src/NzbDrone.Core/Parser/QualityParser.cs

@@ -41,7 +41,7 @@ namespace NzbDrone.Core.Parser
 
         private static readonly Regex MPEG2Regex = new (@"\b(?<mpeg2>MPEG[-_. ]?2)\b");
 
-        private static readonly Regex BRDISKRegex = new (@"^(?!.*\b((?<!HD[._ -]|HD)DVD|BDRip|720p|MKV|XviD|WMV|d3g|(BD)?REMUX|^(?=.*1080p)(?=.*HEVC)|[xh][-_. ]?26[45]|German.*DL|((?<=\d{4}).*German.*(DL)?)(?=.*\b(AVC|HEVC|VC[-_. ]?1|MVC|MPEG[-_. ]?2)\b))\b)(((?=.*(Blu[-_. ]?ray|BD|HD[-_. ]?DVD)\b)(?=.*\b(AVC|HEVC|VC[-_. ]?1|MVC|MPEG[-_. ]?2|BDMV|ISO)\b))|^((?=.*\b(^((?=.*\b((.*_)?COMPLETE.*|Dis[ck])\b)(?=.*(Blu[-_. ]?ray|HD[-_. ]?DVD)))|3D[-_. ]?BD|BR[-_. ]?DISK|Full[-_. ]?Blu[-_. ]?ray|^((?=.*((BD|UHD)[-_. ]?(25|50|66|100|ISO)))))))).*",
+        private static readonly Regex BRDISKRegex = new (@"^(?!.*\b((?<!HD[._ -]|HD)DVD|BDRip|720p|MKV|XviD|WMV|d3g|(BD)?REMUX|^(?=.*1080p)(?=.*HEVC)|[xh][-_. ]?26[45]|German.*[DM]L|((?<=\d{4}).*German.*([DM]L)?)(?=.*\b(AVC|HEVC|VC[-_. ]?1|MVC|MPEG[-_. ]?2)\b))\b)(((?=.*\b(Blu[-_. ]?ray|BD|HD[-_. ]?DVD)\b)(?=.*\b(AVC|HEVC|VC[-_. ]?1|MVC|MPEG[-_. ]?2|BDMV|ISO)\b))|^((?=.*\b(^((?=.*\b((.*_)?COMPLETE.*|Dis[ck])\b)(?=.*(Blu[-_. ]?ray|HD[-_. ]?DVD)))|3D[-_. ]?BD|BR[-_. ]?DISK|Full[-_. ]?Blu[-_. ]?ray|^((?=.*((BD|UHD)[-_. ]?(25|50|66|100|ISO)))))))).*",
                                                             RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         private static readonly Regex ProperRegex = new (@"\b(?<proper>proper)\b",
@@ -74,6 +74,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex HighDefPdtvRegex = new (@"hr[-_. ]ws", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         private static readonly Regex RemuxRegex = new (@"(?:[_. \[]|\d{4}p-)(?<remux>(?:(BD|UHD)[-_. ]?)?Remux)\b|(?<remux>(?:(BD|UHD)[-_. ]?)?Remux[_. ]\d{4}p)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static readonly Regex GermanRemuxRegex = new Regex(@"((?<=\d{4}).*German.*([DM]L)?)(?=.*\b(AVC|HEVC|VC[_. -]?1|MVC|MPEG[_. -]?2))(?=.*Blu-?ray)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         public static QualityModel ParseQuality(string name)
         {
@@ -112,7 +113,7 @@ namespace NzbDrone.Core.Parser
             var sourceMatch = sourceMatches.OfType<Match>().LastOrDefault();
             var resolution = ParseResolution(normalizedName);
             var codecRegex = CodecRegex.Match(normalizedName);
-            var remuxMatch = RemuxRegex.IsMatch(normalizedName);
+            var remuxMatch = RemuxRegex.IsMatch(normalizedName) || GermanRemuxRegex.IsMatch(normalizedName);
             var brDiskMatch = BRDISKRegex.IsMatch(normalizedName);
 
             if (RawHDRegex.IsMatch(normalizedName) && !brDiskMatch)