The keyword
analyzer is a “noop” analyzer which returns the entire input
string as a single token.
POST _analyze { "analyzer": "keyword", "text": "The 2 QUICK Brown-Foxes jumped over the lazy dog's bone." }
The above sentence would produce the following single term:
[ The 2 QUICK Brown-Foxes jumped over the lazy dog's bone. ]
The keyword
analyzer is not configurable.
The keyword
analyzer consists of:
If you need to customize the keyword
analyzer then you need to
recreate it as a custom
analyzer and modify it, usually by adding
token filters. Usually, you should prefer the
Keyword type when you want strings that are not split
into tokens, but just in case you need it, this would recreate the
built-in keyword
analyzer and you can use it as a starting point
for further customization: