# Letter Tokenizer **`letter`****?tokenizer**?遇到非字母時分割文本。對大多數歐洲語言來說，這是一個合理的做法。但是對于一些亞洲語言而言，這些語言的詞語并不是用空格分開。 原文鏈接 : [https://www.elastic.co/guide/en/elasticsearch/reference/5.3/analysis-letter-tokenizer.html](https://www.elastic.co/guide/en/elasticsearch/reference/5.3/analysis-letter-tokenizer.html) 譯文鏈接 : [http://www.apache.wiki/display/Elasticsearch/Letter+Tokenizer](http://www.apache.wiki/display/Elasticsearch/Letter+Tokenizer) 貢獻者 : [陳益雷](/display/~chenyilei)，[ApacheCN](/display/~apachecn)，[Apache中文網](/display/~apachechina) ## **輸出示例** ``` POST _analyze { "tokenizer": "letter", "text": "The 2 QUICK Brown-Foxes jumped over the lazy dog's bone." } ``` 上面的句子會生成如下的詞元: ``` [ The, QUICK, Brown, Foxes, jumped, over, the, lazy, dog, s, bone ] ``` ## **配置** ?`letter`?tokenizer 不支持配置。