.. _es-guide-reference-index-modules-analysis-custom-analyzer:

===============
Custom Analyzer
===============

An analyzer of type **custom** that allows to combine a **Tokenizer** with zero or more **Token Filters**, and zero or more **Char Filters**. The custom analyzer accepts a logical/registered name of the tokenizer to use, and a list of logical/registered names of token filters.


The following are settings that can be set for a **custom** analyzer type:


=================  =================================================================
 Setting            Description                                                     
=================  =================================================================
**tokenizer**      The logical / registered name of the tokenizer to use.           
**filter**         An optional list of logical / registered name of token filters.  
**char_filter**    An optional list of logical / registered name of char filters.   
=================  =================================================================

Here is an example:


.. code-block:: js

    index :
        analysis :
            analyzer : 
                myAnalyzer2 :
                    type : custom
                    tokenizer : myTokenizer1
                    filter : [myTokenFilter1, myTokenFilter2]
                    char_filter : [my_html]
            tokenizer :
                myTokenizer1 :
                    type : standard
                    max_token_length : 900
            filter :
                myTokenFilter1 :
                    type : stop
                    stopwords : [stop1, stop2, stop3, stop4]
                myTokenFilter2 :
                    type : length
                    min : 0
                    max : 2000
            char_filter :
                  my_html :
                    type : html_strip
                    escaped_tags : [xxx, yyy]
                    read_ahead : 1024