Elasticsearch provides, out-of-the-box, a large set of analyzers and tokenizers to cover general needs. Sometimes we need to extend the capabilities of Elasticsearch by adding new analyzers.
Typically you can create an analyzer plugin when you need:
In this recipe we will add a new custom English analyzer similar to the one provided by Elasticsearch.
You need an up-and-running Elasticsearch installation as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.
A Maven tool, or an IDE that supports Java programming, such as Eclipse ...