Fixed: Better Parsing of 4k Releases

Fixed: Parse 4k H265 releases as 4k
Fixed: Parse 3840x2160 as 4k

(based on radarr commit fa6b7ad2877a78182823e8bd831d01a70c16f033)

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

@@ -265,6 +265,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("House.of.Sonarr.AK.s05e13.4K.UHD.WEB.DL", false)]
         [TestCase("House.of.Sonarr.AK.s05e13.UHD.4K.WEB.DL", false)]
         [TestCase("[HorribleSubs] Series Title! S01 [Web][MKV][h264][2160p][AAC 2.0][Softsubs (HorribleSubs)]", false)]
+        [TestCase("Series Title S02 2013 WEB-DL 4k H265 AAC 2Audio-HDSWEB", false)]
         public void should_parse_webdl2160p_quality(string title, bool proper)
         {
             ParseAndVerifyQuality(title, Quality.WEBDL2160p, proper);

src/NzbDrone.Core/Parser/QualityParser.cs

@@ -46,7 +46,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex RealRegex = new Regex(@"\b(?<real>REAL)\b",
                                                                 RegexOptions.Compiled);
 
-        private static readonly Regex ResolutionRegex = new Regex(@"\b(?:(?<R360p>360p)|(?<R480p>480p|640x480|848x480)|(?<R540p>540p)|(?<R576p>576p)|(?<R720p>720p|1280x720|960p)|(?<R1080p>1080p|1920x1080|1440p|FHD|1080i|4kto1080p)|(?<R2160p>2160p|4k[-_. ](?:UHD|HEVC|BD)|(?:UHD|HEVC|BD)[-_. ]4k))\b",
+        private static readonly Regex ResolutionRegex = new Regex(@"\b(?:(?<R360p>360p)|(?<R480p>480p|640x480|848x480)|(?<R540p>540p)|(?<R576p>576p)|(?<R720p>720p|1280x720|960p)|(?<R1080p>1080p|1920x1080|1440p|FHD|1080i|4kto1080p)|(?<R2160p>2160p|3840x2160|4k[-_. ](?:UHD|HEVC|BD|H265)|(?:UHD|HEVC|BD|H265)[-_. ]4k))\b",
 
                                                                 RegexOptions.Compiled | RegexOptions.IgnoreCase);