Elasticsearch Indexing

Built-in analyzers

Elasticsearch comes with several analyzers in its standard installation. In the following table, some analyzers are described:

Analyzer	Description
Standard Analyzer	This uses Standard Tokenizer to divide text. Other components are Standard Token Filter, Lower Case Token Filter, and Stop Token Filter. It normalizes tokens, lowercases tokens, and also removes unwanted tokens. By default, Elasticsearch applies the standard analyzer.
Simple Analyzer	This uses Letter Tokenizer to divide text. Another component is Lower Case Tokenizer. It lowercases tokens.
Whitespace Analyzer	This uses Whitespace Tokenizer to divide text at spaces.
Stop Analyzer	This uses Letter Tokenizer to divide text. Other components are Lower Case ...