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elasticsearch/docs/reference/elasticsearch-plugins/analysis-kuromoji-number.md
Colleen McGinnis b7e3a1e14b
[docs] Migrate docs from AsciiDoc to Markdown (#123507) 
* delete asciidoc files

* add migrated files

* fix errors

* Disable docs tests

* Clarify release notes page titles

* Revert "Clarify release notes page titles"

This reverts commit 8be688648d.

* Comment out edternal URI images

* Clean up query languages landing pages, link to conceptual docs

* Add .md to url

* Fixes inference processor nesting.

---------

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
2025-02-27 17:56:14 +01:00

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https://www.elastic.co/guide/en/elasticsearch/plugins/current/analysis-kuromoji-number.html

kuromoji_number token filter [analysis-kuromoji-number]

The kuromoji_number token filter normalizes Japanese numbers (kansūji) to regular Arabic decimal numbers in half-width characters. For example:

PUT kuromoji_sample
{
  "settings": {
    "index": {
      "analysis": {
        "analyzer": {
          "my_analyzer": {
            "tokenizer": "kuromoji_tokenizer",
            "filter": [
              "kuromoji_number"
            ]
          }
        }
      }
    }
  }
}

GET kuromoji_sample/_analyze
{
  "analyzer": "my_analyzer",
  "text": "一〇〇〇"
}

Which results in:

{
  "tokens" : [ {
    "token" : "1000",
    "start_offset" : 0,
    "end_offset" : 4,
    "type" : "word",
    "position" : 0
  } ]
}