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Elastic Docs ›Reference [0.90] ›Analysis ›Character Filters

Mapping Char Filter

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Mapping Char Filter

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A char filter of type mapping replacing characters of an analyzed text with given mapping.

Here is a sample configuration:

{
    "index" : {
        "analysis" : {
            "char_filter" : {
                "my_mapping" : {
                    "type" : "mapping",
                    "mappings" : ["ph=>f", "qu=>q"]
                }
            },
            "analyzer" : {
                "custom_with_char_filter" : {
                    "tokenizer" : "standard",
                    "char_filter" : ["my_mapping"]
                },
            }
        }
    }
}

Otherwise the setting mappings_path can specify a file where you can put the list of char mapping :

ph => f
qu => k
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