# Package org.apache.lucene.queryparser.flexible.core.util

package org.apache.lucene.queryparser.flexible.core.util
Utility classes to used with the Query Parser.

## Utility classes to used with the Query Parser

This package contains utility classes used with the query parsers.

Related Packages
Package
Description
org.apache.lucene.queryparser.flexible.core
Core classes of the flexible query parser framework.
Classes
Class
Description
QueryNodeOperation
Allow joining 2 QueryNode Trees, into one.
StringUtils
String manipulation routines
UnescapedCharSequence
CharsSequence with escaped chars information.