# Package org.apache.lucene.analysis.pattern

Set of components for pattern-based (regex) analysis.

- Class Summary
  Class | Description
  --- | ---
  PatternCaptureGroupFilterFactory | Factory for `PatternCaptureGroupTokenFilter`.
  PatternCaptureGroupTokenFilter | CaptureGroup uses Java regexes to emit multiple tokens - one for each capture group in one or more patterns.
  PatternReplaceCharFilter | CharFilter that uses a regular expression for the target of replace string.
  PatternReplaceCharFilterFactory | Factory for `PatternReplaceCharFilter`.
  PatternReplaceFilter | A TokenFilter which applies a Pattern to each token in the stream, replacing match occurrences with the specified replacement string.
  PatternReplaceFilterFactory | Factory for `PatternReplaceFilter`.
  PatternTokenizer | This tokenizer uses regex pattern matching to construct distinct tokens for the input stream.
  PatternTokenizerFactory | Factory for `PatternTokenizer`.
  PatternTypingFilter | Set a type attribute to a parameterized value when tokens are matched by any of a several regex patterns.
  PatternTypingFilter.PatternTypingRule | Value holding class for pattern typing rules.
  PatternTypingFilterFactory | Provides a filter that will analyze tokens with the analyzer from an arbitrary field type.
  SimplePatternSplitTokenizer | This tokenizer uses a Lucene `RegExp` or (expert usage) a pre-built determinized `Automaton`, to locate tokens.
  SimplePatternSplitTokenizerFactory | Factory for `SimplePatternSplitTokenizer`, for producing tokens by splitting according to the provided regexp.
  SimplePatternTokenizer | This tokenizer uses a Lucene `RegExp` or (expert usage) a pre-built determinized `Automaton`, to locate tokens.
  SimplePatternTokenizerFactory | Factory for `SimplePatternTokenizer`, for matching tokens based on the provided regexp.