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[[indices-analyze]]
== Analyze
Performs the analysis process on a text and return the tokens breakdown
of the text.
Can be used without specifying an index against one of the many built in
analyzers:
[source,js]
--------------------------------------------------
curl -XGET 'localhost:9200/_analyze?analyzer=standard' -d 'this is a test'
--------------------------------------------------
Or by building a custom transient analyzer out of tokenizers and
filters:
[source,js]
--------------------------------------------------
curl -XGET 'localhost:9200/_analyze?tokenizer=keyword&filters=lowercase' -d 'this is a test'
--------------------------------------------------
It can also run against a specific index:
[source,js]
--------------------------------------------------
curl -XGET 'localhost:9200/test/_analyze?text=this+is+a+test'
--------------------------------------------------
The above will run an analysis on the "this is a test" text, using the
default index analyzer associated with the `test` index. An `analyzer`
can also be provided to use a different analyzer:
[source,js]
--------------------------------------------------
curl -XGET 'localhost:9200/test/_analyze?analyzer=whitespace' -d 'this is a test'
--------------------------------------------------
Also, the analyzer can be derived based on a field mapping, for example:
[source,js]
--------------------------------------------------
curl -XGET 'localhost:9200/test/_analyze?field=obj1.field1' -d 'this is a test'
--------------------------------------------------
Will cause the analysis to happen based on the analyzer configure in the
mapping for `obj1.field1` (and if not, the default index analyzer).
Also, the text can be provided as part of the request body, and not as a
parameter.
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