Fixed: Parsing some titles with FRE as French and ITA as Italian

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

@@ -52,6 +52,8 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Movie Title  : Other Title 2010 x264.720p.Blu-ray Rip HD.VOSTFR.VFF. ONLY")]
         [TestCase("Movie Title  2019 HEVC.2160p.Blu-ray 4K.VOSTFR.VFF. JATO")]
         [TestCase("Movie.Title.1956.MULTi.VF.Bluray.1080p.REMUX.AC3.x264")]
+        [TestCase("Movie.Title.2016.ENG-ITA-FRE.AAC.1080p.WebDL.x264")]
+        [TestCase("Movie Title 2016 (BDrip 1080p ENG-ITA-FRE) Multisub x264")]
         public void should_parse_language_french(string postTitle)
         {
             var result = Parser.Parser.ParseMovieTitle(postTitle, true);
@@ -102,6 +104,8 @@ namespace NzbDrone.Core.Test.ParserTests
         }
 
         [TestCase("Movie.Title.1994.Italian.1080p.XviD-LOL")]
+        [TestCase("Movie.Title.2016.ENG-FRE-ITA.AAC.1080p.WebDL.x264")]
+        [TestCase("Movie Title 2016 (BDrip 1080p ENG-FRE-ITA) Multisub x264")]
         public void should_parse_language_italian(string postTitle)
         {
             var result = Parser.Parser.ParseMovieTitle(postTitle, true);

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