原英文版地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/analysis-tokenfilters.html, 原文档版权归 www.elastic.co 所有
本地英文版地址: ../en/analysis-tokenfilters.html

Token filter referenceedit

Token filters accept a stream of tokens from a tokenizer and can modify tokens (eg lowercasing), delete tokens (eg remove stopwords) or add tokens (eg synonyms).

Elasticsearch has a number of built-in token filters you can use to build custom analyzers.