Fix Hardcoded .DKSubs. (#726)

* Fix Hardcoded .DKSubs.

* Added tests

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

@@ -281,6 +281,15 @@ namespace NzbDrone.Core.Test.ParserTests
             QualityParser.ParseQuality(title).QualitySource.Should().Be(QualitySource.Extension);
         }
 
+        [TestCase("Movie.Title.2016.1080p.KORSUB.WEBRip.x264.AAC2.0-RADARR", "korsub")]
+        [TestCase("Movie.Title.2016.1080p.KORSUBS.WEBRip.x264.AAC2.0-RADARR", "korsubs")]
+        [TestCase("Movie.Title.2016.1080p.DKSUB.WEBRip.x264.AAC2.0-RADARR", "dksub")]
+        [TestCase("Movie.Title.2016.1080p.DKSUBS.WEBRip.x264.AAC2.0-RADARR", "dksubs")]
+        public void should_parse_hardcoded_subs(string postTitle, string sub)
+        {
+            QualityParser.ParseQuality(postTitle).HardcodedSubs.Should().Be(sub);
+        }
+
         private void ParseAndVerifyQuality(string title, Quality quality, bool proper)
         {
             var result = QualityParser.ParseQuality(title);

src/NzbDrone.Core/Parser/QualityParser.cs

@@ -48,7 +48,7 @@ namespace NzbDrone.Core.Parser
                                                                 )\b",
                                                                 RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
 
-        private static readonly Regex HardcodedSubsRegex = new Regex(@"\b(?<hcsub>(\w+SUB)\b)|(?<hc>(HC))\b", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
+        private static readonly Regex HardcodedSubsRegex = new Regex(@"\b(?<hcsub>(\w+SUBS?)\b)|(?<hc>(HC))\b", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
 
         private static readonly Regex RawHDRegex = new Regex(@"\b(?<rawhd>RawHD|1080i[-_. ]HDTV|Raw[-_. ]HD|MPEG[-_. ]?2)\b",
                                                                 RegexOptions.Compiled | RegexOptions.IgnoreCase);