# Package org.apache.lucene.queryparser.flexible.standard

Implementation of the Lucene classic query parser using the flexible query parser frameworks

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  CommonQueryParserConfiguration | Configuration options common across queryparser implementations.

- Class Summary
  Class | Description
  --- | ---
  QueryParserUtil | This class defines utility methods to (help) parse query strings into `Query` objects.
  StandardQueryParser | This class is a helper that enables users to easily use the Lucene query parser.

## Package org.apache.lucene.queryparser.flexible.standard Description

Implementation of the Lucene classic query parser using the flexible query parser frameworks

## Lucene Flexible Query Parser Implementation

The old Lucene query parser used to have only one class that performed all the parsing operations. In the new query parser structure, the parsing was divided in 3 steps: parsing (syntax), processing (semantic) and building.

The classes contained in the package org.apache.lucene.queryParser.standard are used to reproduce the same behavior as the old query parser.

Check `StandardQueryParser` to quick start using the Lucene query parser.

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