Accept full language name as suffix.

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

@@ -54,6 +54,8 @@ namespace NzbDrone.Core.Test.ParserTests
 
         [TestCase("2 Broke Girls - S01E01 - Pilot.en.sub", Language.English)]
         [TestCase("2 Broke Girls - S01E01 - Pilot.eng.sub", Language.English)]
+        [TestCase("2 Broke Girls - S01E01 - Pilot.English.sub", Language.English)]
+        [TestCase("2 Broke Girls - S01E01 - Pilot.english.sub", Language.English)]
         [TestCase("2 Broke Girls - S01E01 - Pilot.sub", Language.Unknown)]
         public void should_parse_subtitle_language(string fileName, Language language)
         {

src/NzbDrone.Core/Parser/LanguageParser.cs

@@ -110,7 +110,7 @@ namespace NzbDrone.Core.Parser
         {
             try
             {
-                Logger.Debug("Parsing language from subtitlte file: {0}", fileName);
+                Logger.Debug("Parsing language from subtitle file: {0}", fileName);
 
                 var simpleFilename = Path.GetFileNameWithoutExtension(fileName);
                 var languageMatch = SubtitleLanguageRegex.Match(simpleFilename);
@@ -123,13 +123,21 @@ namespace NzbDrone.Core.Parser
                     return isoLanguage?.Language ?? Language.Unknown;
                 }
 
-                Logger.Debug("Unable to parse langauge from subtitle file: {0}", fileName);
+                foreach (Language language in Enum.GetValues(typeof(Language)))
+                {
+                    if (simpleFilename.EndsWith(language.ToString(), StringComparison.OrdinalIgnoreCase))
+                    {
+                        return language;
+                    }
+                }
+
+                Logger.Debug("Unable to parse language from subtitle file: {0}", fileName);
             }
             catch (Exception ex)
             {
-                Logger.Debug("Failed parsing langauge from subtitle file: {0}", fileName);
+                Logger.Debug(ex, "Failed parsing language from subtitle file: {0}", fileName);
             }
-            
+
             return Language.Unknown;
         }
     }