Uses of Package
org.apache.lucene.util.automaton

Package
Description
Text analysis.
A Java implementation of Hunspell stemming and spell-checking algorithms (Hunspell), and a stemming TokenFilter (HunspellStemFilter) based on it.
Miscellaneous Tokenstreams.
Set of components for pattern-based (regex) analysis.
BlockTree terms dictionary.
Same postings format as Lucene50, except the terms dictionary also supports ords, i.e.
Codec PostingsFormat for fast access to low-frequency terms such as primary key fields.
BlockTree terms dictionary.
Term dictionary, DocValues or Postings formats that are read entirely into memory.
Pluggable term index / block terms dictionary implementations.
Pluggable term index / block terms dictionary implementations.
Code to maintain and access indices.
Intervals queries
This package contains SrndQuery and its subclasses.
This package contains a flexible graph-based proximity query, TermAutomatonQuery, and geospatial queries.
Code to search indices.
Analyzer based autosuggest.
Support for document suggestion
The UnifiedHighlighter -- a flexible highlighter that can get offsets from postings, term vectors, or analysis.
Finite-state automaton for regular expressions.
Utility classes for working with token streams as graphs.