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[[analysis-lowercase-tokenfilter]]
=== Lowercase Token Filter
A token filter of type `lowercase` that normalizes token text to lower
case.
Lowercase token filter supports Greek and Turkish lowercase token
filters through the `language` parameter. Below is a usage example in a
custom analyzer
[source,js]
--------------------------------------------------
index :
analysis :
analyzer :
myAnalyzer2 :
type : custom
tokenizer : myTokenizer1
filter : [myTokenFilter1, myGreekLowerCaseFilter]
char_filter : [my_html]
tokenizer :
myTokenizer1 :
type : standard
max_token_length : 900
filter :
myTokenFilter1 :
type : stop
stopwords : [stop1, stop2, stop3, stop4]
myGreekLowerCaseFilter :
type : lowercase
language : greek
char_filter :
my_html :
type : html_strip
escaped_tags : [xxx, yyy]
read_ahead : 1024
--------------------------------------------------
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