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  1. Elastic Docs/
  2. Reference/
  3. Elasticsearch/
  4. Text analysis components/
  5. Tokenizer reference

Letter tokenizer

Theletter tokenizer breaks text into terms whenever it encounters a character which is not a letter. It does a reasonable job for most European languages, but does a terrible job for some Asian languages, where words are not separated by spaces.

POST _analyze{  "tokenizer": "letter",  "text": "The 2 QUICK Brown-Foxes jumped over the lazy dog's bone."}

The above sentence would produce the following terms:

[ The, QUICK, Brown, Foxes, jumped, over, the, lazy, dog, s, bone ]

Theletter tokenizer is not configurable.

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