From e50e79167acfb5a8fc4a76a1ca95285616142eeb Mon Sep 17 00:00:00 2001
From: Bogdan <mynameisbogdan@users.noreply.github.com>
Date: Thu, 31 Oct 2024 10:57:43 +0200
Subject: [PATCH] =?UTF-8?q?Fixed:=20Cleaning=20the=20French=20preposition?=
 =?UTF-8?q?=20'=C3=A0'=20from=20names?=
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(cherry picked from commit 22005dc8c500cd77e4a710248582cd4a0036988f)

Closes #5213
---
 src/NzbDrone.Core.Test/ParserTests/NormalizeTitleFixture.cs | 2 ++
 src/NzbDrone.Core/Parser/Parser.cs                          | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Core.Test/ParserTests/NormalizeTitleFixture.cs b/src/NzbDrone.Core.Test/ParserTests/NormalizeTitleFixture.cs
index 8099c0973..bb5559297 100644
--- a/src/NzbDrone.Core.Test/ParserTests/NormalizeTitleFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/NormalizeTitleFixture.cs
@@ -24,6 +24,8 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("test/test", "testtest")]
         [TestCase("90210", "90210")]
         [TestCase("24", "24")]
+        [TestCase("Test: Something à Deux", "testsomethingdeux")]
+        [TestCase("Parler à", "parlera")]
         public void should_remove_special_characters_and_casing(string dirty, string clean)
         {
             var result = dirty.CleanArtistName();
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index 9210b738a..382b33d7f 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -154,7 +154,7 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^b00bs$", RegexOptions.Compiled | RegexOptions.IgnoreCase)
             };
 
-        private static readonly RegexReplace NormalizeRegex = new RegexReplace(@"((?:\b|_)(?<!^)(a(?!$)|an|the|and|or|of)(?!$)(?:\b|_))|\W|_",
+        private static readonly RegexReplace NormalizeRegex = new RegexReplace(@"((?:\b|_)(?<!^)([aà](?!$)|an|the|and|or|of)(?!$)(?:\b|_))|\W|_",
                                                                 string.Empty,
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
@@ -521,7 +521,7 @@ namespace NzbDrone.Core.Parser
 
             name = PercentRegex.Replace(name, "percent");
 
-            return NormalizeRegex.Replace(name).ToLower().RemoveAccent();
+            return NormalizeRegex.Replace(name).ToLowerInvariant().RemoveAccent();
         }
 
         public static string NormalizeTrackTitle(this string title)