---
title: Letter tokenizer
description: The letter tokenizer breaks text into terms whenever it encounters a character which is not a letter. It does a reasonable job for most European languages,...
url: https://www.elastic.co/elastic/docs-builder/docs/3028/reference/text-analysis/analysis-letter-tokenizer
products:
  - Elasticsearch
---

# Letter tokenizer
The `letter` 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.

## Example output

```json

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

The above sentence would produce the following terms:
```text
[ The, QUICK, Brown, Foxes, jumped, over, the, lazy, dog, s, bone ]
```


## Configuration

The `letter` tokenizer is not configurable.