Anatomy of an Analyzer

In Chapter 4, Mapping APIs, we learned about the mapping API; we also mentioned that the analyzer is one of the mapping parameters. In Chapter 1, Overview of Elasticsearch 7, we introduced analyzers and gave an example of a standard analyzer. The building blocks of an analyzer are character filters, tokenizers, and token filters. They efficiently and accurately search for targets and relevant scores, and you must understand the true meaning of the data and how a well-suited analyzer must be used. In this chapter, we will drill down to the anatomy of the analyzer and demonstrate the use of different analyzers in depth. During an index operation, the contents of a document are processed by an analyzer and the generated tokens are used to build the inverted index. During a search operation, the query content is processed by a search analyzer to generate tokens...