Fixed: Parse GER/DE releases as German language

Fix parsing for German language to correctly detect "GER" and "DE"
Update test for GER/DE language parsing.

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

@@ -87,7 +87,13 @@ namespace NzbDrone.Core.Test.ParserTests
         }
 
         [TestCase("Movie.Title.1994.German.1080p.XviD-LOL")]
+        [TestCase("Movie.Title.2016.GERMAN.DUBBED.WS.WEBRiP.XviD.REPACK-TVP")]
+        [TestCase("Movie Title 2016 - Kampfhaehne - mkv - by Videomann")]
         [TestCase("Movie.Title.2016.Ger.Dub.AAC.1080p.WebDL.x264-TKP21")]
+        [TestCase("Movie.Title.2016.Ger.AAC.1080p.WebDL.x264-TKP21")]
+        [TestCase("Movie.Title.2016.Hun/Ger/Ita.AAC.1080p.WebDL.x264-TKP21")]
+        [TestCase("Movie.Title.2016.1080p.10Bit.HEVC.WEBRip.HIN-ENG-GER.DD5.1.H.265")]
+        [TestCase("Movie.Title.2016.HU-IT-DE.AAC.1080p.WebDL.x264")]
         public void should_parse_language_german(string postTitle)
         {
             var result = Parser.Parser.ParseMovieTitle(postTitle, true);

src/NzbDrone.Core/Parser/LanguageParser.cs

@@ -16,7 +16,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Logger Logger = NzbDroneLogger.GetLogger(typeof(LanguageParser));
 
         private static readonly Regex LanguageRegex = new Regex(@"(?:\W|_|^)(?<italian>\b(?:ita|italian)\b)|
-                                                                            (?<german>german\b|videomann|ger[. ]dub)|
+                                                                            (?<german>german\b|videomann|ger[. ]dub|\bger\b)|
                                                                             (?<flemish>flemish)|
                                                                             (?<bulgarian>bgaudio)|
                                                                             (?<romanian>rodubbed)|
@@ -44,6 +44,7 @@ namespace NzbDrone.Core.Parser
                                                                                                           (?<polish>\bPL\b)|
                                                                                                           (?<bulgarian>\bBG\b)|
                                                                                                           (?<slovak>\bSK\b)|
+                                                                                                          (?<german>\bDE\b)|
                                                                                                           (?<spanish>\b(?<!DTS[._ -])ES\b))(?:(?i)(?![\W|_|^]SUB))",
                                                                 RegexOptions.Compiled | RegexOptions.IgnorePatternWhitespace);
 
@@ -285,6 +286,11 @@ namespace NzbDrone.Core.Parser
                 {
                     languages.Add(Language.Spanish);
                 }
+
+                if (match.Groups["german"].Captures.Any())
+                {
+                    languages.Add(Language.German);
+                }
             }
 
             var matches = LanguageRegex.Matches(title);

src/NzbDrone.Core/Parser/Parser.cs

@@ -142,7 +142,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex CleanQualityBracketsRegex = new Regex(@"\[[a-z0-9 ._-]+\]$",
                                                                    RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly Regex ReleaseGroupRegex = new Regex(@"-(?<releasegroup>[a-z0-9]+(?<part2>-[a-z0-9]+)?(?!.+?(?:480p|576p|720p|1080p|2160p)))(?<!(?:WEB-(DL|Rip)|Blu-Ray|480p|576p|720p|1080p|2160p|DTS-HD|DTS-X|DTS-MA|DTS-ES|-ES|-EN|-CAT|-ENG|-JPN|-HDRip|\d{1,2}-bit|[ ._]\d{4}-\d{2}|-\d{2}|tmdb(id)?-(?<tmdbid>\d+)|(?<imdbid>tt\d{7,8}))(?:\k<part2>)?)(?:\b|[-._ ]|$)|[-._ ]\[(?<releasegroup>[a-z0-9]+)\]$",
+        private static readonly Regex ReleaseGroupRegex = new Regex(@"-(?<releasegroup>[a-z0-9]+(?<part2>-[a-z0-9]+)?(?!.+?(?:480p|576p|720p|1080p|2160p)))(?<!(?:WEB-(DL|Rip)|Blu-Ray|480p|576p|720p|1080p|2160p|DTS-HD|DTS-X|DTS-MA|DTS-ES|-ES|-EN|-CAT|-ENG|-JPN|-GER|-HDRip|\d{1,2}-bit|[ ._]\d{4}-\d{2}|-\d{2}|tmdb(id)?-(?<tmdbid>\d+)|(?<imdbid>tt\d{7,8}))(?:\k<part2>)?)(?:\b|[-._ ]|$)|[-._ ]\[(?<releasegroup>[a-z0-9]+)\]$",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         private static readonly Regex InvalidReleaseGroupRegex = new Regex(@"^([se]\d+|[0-9a-f]{8})$", RegexOptions.IgnoreCase | RegexOptions.Compiled);