[[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] -------------------------------------------------- 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 --------------------------------------------------