[[analysis-lowercase-tokenfilter]]
=== Lowercase Token Filter

A token filter of type `lowercase` that normalizes token text to lower
case.

Lowercase token filter supports Greek, Irish, and Turkish lowercase token
filters through the `language` parameter. Below is a usage example in a
custom analyzer

[source,js]
--------------------------------------------------
PUT /lowercase_example
{
  "settings": {
    "analysis": {
      "analyzer": {
        "standard_lowercase_example": {
          "type": "custom",
          "tokenizer": "standard",
          "filter": ["lowercase"]
        },
        "greek_lowercase_example": {
          "type": "custom",
          "tokenizer": "standard",
          "filter": ["greek_lowercase"]
        }
      },
      "filter": {
        "greek_lowercase": {
          "type": "lowercase",
          "language": "greek"
        }
      }
    }
  }
}
--------------------------------------------------
// CONSOLE
