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[Issue]: Search does not work properly for åäö #3684

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opened 2026-02-06 23:43:55 +03:00 by OVERLORD · 2 comments
OVERLORD commented 2026-02-06 23:43:55 +03:00
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Originally created by @LinAGKar on GitHub (Mar 21, 2022).

Please describe your bug

Searching for a word containing å, ä or ö does not work properly, as Jellyfin replaces it with the similar-looking ASCII character. So for example, if you type "Jön", "Indiana Jones" will be included in the results, but not "Jönssonligan".

Jellyfin Version

Other

if other:

10.8-alpha5

Environment

- OS: OpenSUSE Leap 15.3
- Virtualization: Docker jellyfin/jellyfin
- Clients: Browser
- Browser: Firefox 98
- FFmpeg Version: 4.4.1-Jellyfin
- Hardware Acceleration: none
- Plugins: AudioDB 10.8.0.0, MusicBrainz 10.8.0.0, OMDb 10.8.0.0, Studio Images 10.8.0.0, TMDb 10.8.0.0
- Reverse Proxy: nginx
- Base URL: none
- Networking: Host
- Storage: local

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  • I agree to follow this project's Code of Conduct
Originally created by @LinAGKar on GitHub (Mar 21, 2022). ### Please describe your bug Searching for a word containing å, ä or ö does not work properly, as Jellyfin replaces it with the similar-looking ASCII character. So for example, if you type "Jön", "Indiana Jones" will be included in the results, but not "Jönssonligan". ### Jellyfin Version Other ### if other: 10.8-alpha5 ### Environment ```markdown - OS: OpenSUSE Leap 15.3 - Virtualization: Docker jellyfin/jellyfin - Clients: Browser - Browser: Firefox 98 - FFmpeg Version: 4.4.1-Jellyfin - Hardware Acceleration: none - Plugins: AudioDB 10.8.0.0, MusicBrainz 10.8.0.0, OMDb 10.8.0.0, Studio Images 10.8.0.0, TMDb 10.8.0.0 - Reverse Proxy: nginx - Base URL: none - Networking: Host - Storage: local ``` ### Jellyfin logs _No response_ ### FFmpeg logs _No response_ ### Please attach any browser or client logs here _No response_ ### Please attach any screenshots here _No response_ ### Code of Conduct - [X] I agree to follow this project's Code of Conduct
OVERLORD added the bug label 2026-02-06 23:43:55 +03:00
OVERLORD commented 2026-02-06 23:43:59 +03:00
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@cbenco commented on GitHub (Mar 27, 2022):

Seems like the Diacritics package doesn't strip this diaeresis correctly out of the film name retrieved from TMDB

image

@cbenco commented on GitHub (Mar 27, 2022): Seems like the Diacritics package doesn't strip this diaeresis correctly out of the film name retrieved from TMDB ![image](https://user-images.githubusercontent.com/13434960/160278849-ae6d134e-aa26-4543-8875-7d81c8d9d35c.png)
OVERLORD commented 2026-02-06 23:44:03 +03:00
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@Jellifi007 commented on GitHub (Apr 14, 2022):

This bug is related to regression introduced by Bond-009@981cf4cfa0d45a3654578a1989738fc82469c889

Reverting to our own RemoveDiacritics extension should do the work (not sure why this has been changed).

I think we should put our own "reverted RemoveDiacritics extension" in a separated project ("Jellyfin.Diacritics" ?) to allow for less coupling with existing projects, rather than re-adding the extension into "MediaBrowser.Controller.Extensions;" like before Jellyfin.Extensions.StringExtensions.

Proposed target class optimized with shared thread safe regex object :
Diacritics_corrected

Proposed source :
Extensions.cs.zip

Diacritics package has to be removed and import references corrected in following projects in order to restore correct Jellyfin behavior:
Diacritics_projetcs

if someone can approve the strategy I will do the PR.

@Jellifi007 commented on GitHub (Apr 14, 2022): This bug is related to regression introduced by Bond-009@981cf4cfa0d45a3654578a1989738fc82469c889 Reverting to our own RemoveDiacritics extension should do the work (not sure why this has been changed). I think we should put our own "reverted RemoveDiacritics extension" in ~~a separated project ("Jellyfin.Diacritics" ?) to allow for less coupling with existing projects, rather than re-adding the extension into "MediaBrowser.Controller.Extensions;" like before~~ Jellyfin.Extensions.StringExtensions. Proposed target class optimized with shared thread safe regex object : ![Diacritics_corrected](https://user-images.githubusercontent.com/93096110/163390514-7b8d1a0f-f8c5-4bcb-9bd0-c84c8bf5dc54.png) Proposed source : [Extensions.cs.zip](https://github.com/jellyfin/jellyfin/files/8489164/Extensions.cs.zip) Diacritics package has to be removed and import references corrected in following projects in order to restore correct Jellyfin behavior: ![Diacritics_projetcs](https://user-images.githubusercontent.com/93096110/163391403-98f548ea-bac1-4d92-a405-1446555a595a.png) if someone can approve the strategy I will do the PR.
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Reference: starred/jellyfin#3684
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