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Elastic Docs› Elasticsearch Guide [7.12]› Text analysis› Token filter reference
« N-gram token filter Pattern capture token filter »

Normalization token filtersedit

There are several token filters available which try to normalize special characters of a certain language.

Arabic

arabic_normalization

German

german_normalization

Hindi

hindi_normalization

Indic

indic_normalization

Kurdish (Sorani)

sorani_normalization

Persian

persian_normalization

Scandinavian

scandinavian_normalization, scandinavian_folding

Serbian

serbian_normalization

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