New: Parse ES as Spanish

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

@@ -76,6 +76,9 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Movie Title (2016) [UHDRemux 2160p SDR] [Castellano DD 5.1 - Inglés DTS-HD MA 5.1 Subs]")]
         [TestCase("Movie Title 2022 [HDTV 720p][Cap.101][AC3 5.1 Castellano][www.pctnew.ORG]")]
         [TestCase("Movie Title 2022 [HDTV 720p][Cap.206][AC3 5.1 Español Castellano]")]
+        [TestCase("Movie Title 2022 [Remux-1080p 8-bit h264 DTS-HD MA 2.0][ES.EN]-HiFi")]
+        [TestCase("Movie Title 2022 [BDRemux 1080p AVC ES DTS-HD MA 5.1 Subs][HDO].mkv")]
+        [TestCase("Movie.Name.2022.BluRay.1080p.H264.DTS[EN+ES].[EN+ES+IT]")]
         public void should_parse_language_spanish(string postTitle)
         {
             var result = Parser.Parser.ParseMovieTitle(postTitle, true);

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

@@ -258,6 +258,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("The.Good.German.2006.720p.HDTV.x264-TVP", Description = "The Good German is hardcoded not to match")]
         [TestCase("German.Lancers.2019.720p.BluRay.x264-UNiVERSUM", Description = "German at the beginning is never matched")]
         [TestCase("The.German.2019.720p.BluRay.x264-UNiVERSUM", Description = "The German is hardcoded not to match")]
+        [TestCase("Movie Name (2016) BluRay 1080p DTS-ES AC3 x264-3Li", Description = "DTS-ES should not match ES (Spanish)")]
         public void should_not_parse_wrong_language_in_title(string postTitle)
         {
             var parsed = Parser.Parser.ParseMovieTitle(postTitle, true);

src/NzbDrone.Core/Parser/LanguageParser.cs

@@ -39,8 +39,9 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex CaseSensitiveLanguageRegex = new Regex(@"(?:(?i)(?<!SUB[\W|_|^]))(?:(?<lithuanian>\bLT\b)|
                                                                                                           (?<czech>\bCZ\b)|
                                                                                                           (?<polish>\bPL\b)|
-                                                                                                          (?<bulgarian>\bBG\b))(?:(?i)(?![\W|_|^]SUB))|
-                                                                                                          (?<slovak>\bSK\b)",
+                                                                                                          (?<bulgarian>\bBG\b)|
+                                                                                                          (?<slovak>\bSK\b)|
+                                                                                                          (?<spanish>\b(?<!DTS[._ -])ES\b))(?:(?i)(?![\W|_|^]SUB))",
                                                                 RegexOptions.Compiled | RegexOptions.IgnorePatternWhitespace);
 
         private static readonly Regex GermanDualLanguageRegex = new (@"(?<!WEB[-_. ]?)\bDL\b", RegexOptions.Compiled | RegexOptions.IgnoreCase);
@@ -261,6 +262,11 @@ namespace NzbDrone.Core.Parser
                 {
                     languages.Add(Language.Slovak);
                 }
+
+                if (match.Groups["spanish"].Captures.Any())
+                {
+                    languages.Add(Language.Spanish);
+                }
             }
 
             var matches = LanguageRegex.Matches(title);