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I’m implementing an Elasticsearch search for content that has filesnames in it, such as
“golf_master_2009.xls”. I’d like a tokenizer that splits this up into at least the following tokens: “golf”, “master”, “golf_master_2009.xml”. Now I have to use wildcards (for example “master“) if I want to search for it without specifying the full filename.
You can apply differents analyzers using a multifield field.
See http://www.elasticsearch.org/guide/reference/mapping/multi-field-type.html
HTH