diff --git a/src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs
index 6882eadd6..960af009e 100644
--- a/src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/LanguageParserFixture.cs
@@ -43,6 +43,11 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Series Title - S01E01 - Pilot.en.sub")]
         [TestCase("Series.Title.S01E01.SUBFRENCH.1080p.WEB.x264-GROUP")]
         [TestCase("[Judas] Series Japanese Name (Series English Name) - S02E10 [1080P][HEVC x256 10bit][Eng-Subs] (Weekly)")]
+        [TestCase("Detektiv.Conan.1996.S33E39.Ger.Eng.Sub.AAC.1080p.WEB.H264-WeebPinn")]
+        [TestCase("Detektiv.Conan.1996.S33E39.Ger.Eng.Fre.Sub.AAC.1080p.WEB.H264-WeebPinn")]
+        [TestCase("Detektiv.Conan.1996.S33E39.Ger.Fre.Eng.Sub.AAC.1080p.WEB.H264-WeebPinn")]
+        [TestCase("Detektiv.Conan.1996.S33E39.Ger.Eng.Spa.Sub.AAC.1080p.WEB.H264-WeebPinn")]
+        [TestCase("Detektiv.Conan.1996.S33E39.Ger.Spa.Eng.Sub.AAC.1080p.WEB.H264-WeebPinn")]
         public void should_parse_language_unknown(string postTitle)
         {
             var result = LanguageParser.ParseLanguages(postTitle);
diff --git a/src/NzbDrone.Core/Parser/LanguageParser.cs b/src/NzbDrone.Core/Parser/LanguageParser.cs
index d25c25e3c..c57f9f654 100644
--- a/src/NzbDrone.Core/Parser/LanguageParser.cs
+++ b/src/NzbDrone.Core/Parser/LanguageParser.cs
@@ -20,20 +20,22 @@ namespace NzbDrone.Core.Parser
                 new RegexReplace(@".*?[_. ](S\d{2}(?:E\d{2,4})*[_. ].*)", "$1", RegexOptions.Compiled | RegexOptions.IgnoreCase)
             };
 
-        private static readonly Regex LanguageRegex = new Regex(@"(?<english>\b(?:ing|eng)(?![-_. ]subs?)\b)|(?<italian>\b(?:ita|italian)\b)|(?<german>(?:swiss)?german\b|videomann|ger[. ]dub|\bger\b)|(?<flemish>flemish)|(?<greek>greek)|(?<french>(?:\W|_|\b)(?:FR|VF|VF2|VFF|VFI|VFQ|TRUEFRENCH|FRENCH|FRE|FRA)(?:\W|_|\b))|(?<russian>\b(?:rus|ru)\b)|(?<hungarian>\b(?:HUNDUB|HUN)\b)|(?<hebrew>\bHebDub\b)|(?<polish>\b(?:PL\W?DUB|DUB\W?PL|LEK\W?PL|PL\W?LEK)\b)|(?<chinese>\[(?:CH[ST]|BIG5|GB)\]|简|繁|字幕|国语音轨[.+])|(?<bulgarian>\bbgaudio\b)|(?<spanish>\b(?:español|castellano|esp|spa(?!\(Latino\)))\b)|(?<ukrainian>\b(?:\dx?)?(?:ukr))|(?<thai>\b(?:THAI)\b)|(?<romanian>\b(?:RoDubbed|ROMANIAN)\b)|(?<catalan>[-,. ]cat[. ](?:DD|subs)|\b(?:catalan|catalán)\b)|(?<latvian>\b(?:lat|lav|lv)\b)|(?<turkish>\b(?:tur)\b)|(?<urdu>\burdu\b)|(?<romansh>\b(?:romansh|rumantsch|romansch)\b)|(?<georgian>\b(?:geo|ka|kat|georgian)\b)|(?<japanese>\(JA\)|JAP|JPN)|(?<portuguese>[_. ]por[_. ])|(?<original>\b(?:orig|original)\b)",
+        private static readonly Regex LanguagesOnlyRegex = new(@"(?<english>\b(?:ing|eng)\b)|(?<italian>\b(?:ita|italian)\b)|(?<german>(?:swiss)?german\b|videomann|ger[. ]dub|\bger\b)|(?<flemish>flemish)|(?<greek>greek)|(?<french>(?:_|\b)(?:FR|VF|VF2|VFF|VFI|VFQ|TRUEFRENCH|FRENCH|FRE|FRA)(?:_|\b))|(?<russian>\b(?:rus|ru)\b)|(?<hungarian>\b(?:HUNDUB|HUN)\b)|(?<hebrew>\bHebDub\b)|(?<polish>\b(?:PL\W?DUB|DUB\W?PL|LEK\W?PL|PL\W?LEK)\b)|(?<chinese>\[(?:CH[ST]|BIG5|GB)\]|简|繁|字幕|国语音轨[.+])|(?<bulgarian>\bbgaudio\b)|(?<spanish>\b(?:español|castellano|esp|spa(?!\(Latino\)))\b)|(?<ukrainian>\b(?:\dx?)?(?:ukr))|(?<thai>\b(?:THAI)\b)|(?<romanian>\b(?:RoDubbed|ROMANIAN)\b)|(?<catalan>[-,. ]cat[. ](?:DD|subs)|\b(?:catalan|catalán)\b)|(?<latvian>\b(?:lat|lav|lv)\b)|(?<turkish>\b(?:tur)\b)|(?<urdu>\burdu\b)|(?<romansh>\b(?:romansh|rumantsch|romansch)\b)|(?<georgian>\b(?:geo|ka|kat|georgian)\b)|(?<japanese>\(JA\)|JAP|JPN)|(?<portuguese>[_. ]por[_. ])|(?<original>\b(?:orig|original)\b)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+
+        private static readonly Regex LanguageRegex = new(@$"(?:{LanguagesOnlyRegex})(?!(?:[-_. ](?:{LanguagesOnlyRegex}))*[-_. ]subs?)",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly Regex CaseSensitiveLanguageRegex = new Regex(@"(?:(?i)(?<!SUB[\W|_|^]))(?:(?<lithuanian>\bLT\b)|(?<czech>\bCZ\b)|(?<polish>\bPL\b)|(?<bulgarian>\bBG\b)|(?<slovak>\bSK\b)|(?<german>\bDE\b))(?:(?i)(?![\W|_|^]SUB))",
+        private static readonly Regex CaseSensitiveLanguageRegex = new(@"(?:(?i)(?<!SUB[\W|_|^]))(?:(?<lithuanian>\bLT\b)|(?<czech>\bCZ\b)|(?<polish>\bPL\b)|(?<bulgarian>\bBG\b)|(?<slovak>\bSK\b)|(?<german>\bDE\b))(?:(?i)(?![\W|_|^]SUB))",
                                                                 RegexOptions.Compiled);
 
         private static readonly Regex GermanDualLanguageRegex = new(@"(?<!WEB[-_. ]?)\bDL\b", RegexOptions.Compiled | RegexOptions.IgnoreCase);
         private static readonly Regex GermanMultiLanguageRegex = new(@"\bML\b", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        private static readonly Regex SubtitleLanguageRegex = new Regex(".+?([-_. ](?<tags>forced|foreign|default|cc|psdh|sdh))*[-_. ](?<iso_code>[a-z]{2,3})([-_. ](?<tags>forced|foreign|default|cc|psdh|sdh))*$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static readonly Regex SubtitleLanguageRegex = new(".+?([-_. ](?<tags>forced|foreign|default|cc|psdh|sdh))*[-_. ](?<iso_code>[a-z]{2,3})([-_. ](?<tags>forced|foreign|default|cc|psdh|sdh))*$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        private static readonly Regex SubtitleLanguageTitleRegex = new Regex(@".+?(\.((?<tags1>forced|foreign|default|cc|psdh|sdh)|(?<iso_code>[a-z]{2,3})))*[-_. ](?<title>[^.]*)(\.((?<tags2>forced|foreign|default|cc|psdh|sdh)|(?<iso_code>[a-z]{2,3})))*$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+        private static readonly Regex SubtitleLanguageTitleRegex = new(@".+?(\.((?<tags1>forced|foreign|default|cc|psdh|sdh)|(?<iso_code>[a-z]{2,3})))*[-_. ](?<title>[^.]*)(\.((?<tags2>forced|foreign|default|cc|psdh|sdh)|(?<iso_code>[a-z]{2,3})))*$", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        private static readonly Regex SubtitleTitleRegex = new Regex(@"^((?<title>.+) - )?(?<copy>(?<!\d+)\d{1,3}(?!\d+))$", RegexOptions.Compiled);
+        private static readonly Regex SubtitleTitleRegex = new(@"^((?<title>.+) - )?(?<copy>(?<!\d+)\d{1,3}(?!\d+))$", RegexOptions.Compiled);
 
         public static List<Language> ParseLanguages(string title)
         {