# Uppercase Token Filter（Uppercase词元过滤器）

原文链接 : [https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-uppercase-tokenfilter.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-uppercase-tokenfilter.html)

译文链接 : [http://www.apache.wiki/pages/viewpage.action?pageId=10027091](http://www.apache.wiki/pages/viewpage.action?pageId=10027091)

贡献者 : [fucker](/display/~caizhongjie)，[ApacheCN](/display/~apachecn)，[Apache中文网](/display/~apachechina)

**uppercase ** 类型的词元过滤器，将词元文本规范化为大写。