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path: root/Emby.Server.Implementations/Localization/LocalizationManager.cs
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-rw-r--r--Emby.Server.Implementations/Localization/LocalizationManager.cs10
1 files changed, 7 insertions, 3 deletions
diff --git a/Emby.Server.Implementations/Localization/LocalizationManager.cs b/Emby.Server.Implementations/Localization/LocalizationManager.cs
index 843e35afcc..6971431155 100644
--- a/Emby.Server.Implementations/Localization/LocalizationManager.cs
+++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs
@@ -566,11 +566,15 @@ namespace Emby.Server.Implementations.Localization
private static string GetResourceFilename(string culture)
{
- var parts = culture.Split('-');
+ // Region codes may use a '-' (BCP-47, e.g. "pt-BR") or '_' (e.g. "es_419", "ar_SA") separator.
+ // Normalize the casing (lower-case language, upper-case region) while preserving the separator
+ // so the result matches the embedded resource file name, which is case-sensitive.
+ var separatorIndex = culture.IndexOfAny(['-', '_']);
- if (parts.Length == 2)
+ if (separatorIndex > 0)
{
- culture = parts[0].ToLowerInvariant() + "-" + parts[1].ToUpperInvariant();
+ var separator = culture[separatorIndex];
+ culture = culture[..separatorIndex].ToLowerInvariant() + separator + culture[(separatorIndex + 1)..].ToUpperInvariant();
}
else
{