# Package org.apache.lucene.analysis.pattern

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

See: Description

- 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 occurances 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`.
  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.

## Package org.apache.lucene.analysis.pattern Description

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

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