Fix Quality Detection with DDP5.1

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

@@ -196,6 +196,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Death.Note.2017.German.DD51.DL.1080p.NetflixHD.x264-TVS", false)]
         [TestCase("Played.S01E08.Pro.Gamer.1440p.BKPL.WEB-DL.H.264-LiGHT", false)]
         [TestCase("Good.Luck.Charlie.S04E11.Teddy's.Choice.FHD.1080p.Web-DL", false)]
+        [TestCase("Outlander.S04E03.The.False.Bride.1080p.NF.WEB.DDP5.1.x264-NTb[rartv]", false)]
         public void should_parse_webdl1080p_quality(string title, bool proper)
         {
             ParseAndVerifyQuality(title, Quality.WEBDL1080p, proper);

src/NzbDrone.Core/Parser/QualityParser.cs

@@ -16,7 +16,7 @@ namespace NzbDrone.Core.Parser
 
         private static readonly Regex SourceRegex = new Regex(@"\b(?:
                                                                 (?<bluray>BluRay|Blu-Ray|HD-?DVD|BD)|
-                                                                (?<webdl>WEB[-_. ]DL|WEBDL|WebRip|AmazonHD|iTunesHD|NetflixU?HD|WebHD|[. ]WEB[. ](?:[xh]26[45]|DD5[. ]1)|\d+0p[. ]WEB[. ]|WEB-DLMux)|
+                                                                (?<webdl>WEB[-_. ]DL|WEBDL|WebRip|AmazonHD|iTunesHD|NetflixU?HD|WebHD|[. ]WEB[. ](?:[xh]26[45]|DDP?5[. ]1)|\d+0p[. ]WEB[. ]|WEB-DLMux)|
                                                                 (?<hdtv>HDTV)|
                                                                 (?<bdrip>BDRip)|
                                                                 (?<brrip>BRRip)|