# Query Parser

End-user search query parsing tools used by the [query-service](../../services-core/query-service).

## Central Classes

* [QueryTokenizer](src/main/java/nu/marginalia/query_parser/QueryTokenizer.java)
* [QueryParser](src/main/java/nu/marginalia/query_parser/QueryParser.java)
* [QueryPermutations](src/main/java/nu/marginalia/query_parser/QueryVariants.java) - here be dragons
* [QueryVariants](src/main/java/nu/marginalia/query_parser/QueryVariants.java) - here be dragons