From bee7e4325f8d3c79572f2a088e661d2133f15158 Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Sun, 11 Jan 2026 14:04:40 -0800
Subject: [PATCH] New: Parse non-ASCII release groups

Closes #8341
---
 src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs | 2 ++
 src/NzbDrone.Core/Parser/ReleaseGroupParser.cs                  | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
index b7eacf114..a2634d7e4 100644
--- a/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
@@ -49,6 +49,8 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Series Title S01 [2160p REMUX] [HEVC DV HYBRID HDR10+ Dolby TrueHD Atmos 7 1 24-bit Audio English]-DataLass", "DataLass")]
         [TestCase("Series Title S01 REMUX Dual Audio AVC 1080p 8-Bit-ZR-", "ZR")]
         [TestCase("Show.Name.2009.S01.1080p.BluRay.DTS5.1.x264-D-Z0N3", "D-Z0N3")]
+        [TestCase("Series Stampede S01 MULTi 1080p BD x265 Opus AAC -Báleygr", "Báleygr")]
+        [TestCase("Series S01E01 VOSTFR 1080p WEB x265 EAC3 -Hveðrungr", "Hveðrungr")]
         public void should_parse_release_group(string title, string expected)
         {
             Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().Be(expected);
diff --git a/src/NzbDrone.Core/Parser/ReleaseGroupParser.cs b/src/NzbDrone.Core/Parser/ReleaseGroupParser.cs
index 5feede30b..dd3c35de8 100644
--- a/src/NzbDrone.Core/Parser/ReleaseGroupParser.cs
+++ b/src/NzbDrone.Core/Parser/ReleaseGroupParser.cs
@@ -6,7 +6,7 @@ namespace NzbDrone.Core.Parser;
 
 public static class ReleaseGroupParser
 {
-    private static readonly Regex ReleaseGroupRegex = new(@"-(?<releasegroup>[a-z0-9]+(?<part2>-[a-z0-9]+)?(?!.+?(?:HDTV|SDTV|480p|576p|720p|1080p|2160p)))(?<!(?:HDTV|SDTV|WEB-DL|Blu-Ray|480p|576p|720p|1080p|2160p|DTS-HD|DTS-X|DTS-MA|DTS-ES|-ES|-EN|-CAT|-GER|-FRA|-FRE|-ITA|\d{1,2}-bit|[ ._]\d{4}-\d{2}|-\d{2})(?:\k<part2>)?)(?:\b|[-._ ]|$)|[-._ ]\[(?<releasegroup>[a-z0-9]+)\]$",
+    private static readonly Regex ReleaseGroupRegex = new(@"-(?<releasegroup>[A-Za-zÀ-ÖØ-öø-ÿ0-9]+(?<part2>-[A-Za-zÀ-ÖØ-öø-ÿ0-9]+)?(?!.+?(?:HDTV|SDTV|480p|576p|720p|1080p|2160p)))(?<!(?:HDTV|SDTV|WEB-DL|Blu-Ray|480p|576p|720p|1080p|2160p|DTS-HD|DTS-X|DTS-MA|DTS-ES|-ES|-EN|-CAT|-GER|-FRA|-FRE|-ITA|\d{1,2}-bit|[ ._]\d{4}-\d{2}|-\d{2})(?:\k<part2>)?)(?:\b|[-._ ]|$)|[-._ ]\[(?<releasegroup>[A-Za-zÀ-ÖØ-öø-ÿ0-9]+)\]$",
         RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
     private static readonly Regex InvalidReleaseGroupRegex = new(@"^([se]\d+|[0-9a-f]{8})$", RegexOptions.IgnoreCase | RegexOptions.Compiled);