# Normalization Token Filter（标准化词元过滤器） ## 简述 有几个词元过滤器可用于尝试规范某种语言的特殊字符。 | 阿拉伯 | [`arabic_normalization`](http://lucene.apache.org/core/4_9_0/analyzers-common/org/apache/lucene/analysis/ar/ArabicNormalizer.html) | | 德语 | [`german_normalization`](http://lucene.apache.org/core/4_9_0/analyzers-common/org/apache/lucene/analysis/de/GermanNormalizationFilter.html) | | 印地语 | [`hindi_normalization`](http://lucene.apache.org/core/4_9_0/analyzers-common/org/apache/lucene/analysis/hi/HindiNormalizer.html) | | 印度 | [`indic_normalization`](http://lucene.apache.org/core/4_9_0/analyzers-common/org/apache/lucene/analysis/in/IndicNormalizer.html) | | 库尔德语（Sorani） | [`sorani_normalization`](http://lucene.apache.org/core/4_9_0/analyzers-common/org/apache/lucene/analysis/ckb/SoraniNormalizer.html) | | 波斯语 | [`persian_normalization`](http://lucene.apache.org/core/4_9_0/analyzers-common/org/apache/lucene/analysis/fa/PersianNormalizer.html) | | 斯堪的纳维亚文 | [`scandinavian_normalization`](http://lucene.apache.org/core/4_9_0/analyzers-common/org/apache/lucene/analysis/miscellaneous/ScandinavianNormalizationFilter.html), [`scandinavian_folding`](http://lucene.apache.org/core/4_9_0/analyzers-common/org/apache/lucene/analysis/miscellaneous/ScandinavianFoldingFilter.html) | | 塞尔维亚 | not-released-yet[`serbian_normalization`], |