# Package net.sf.saxon.regex.charclass

This package contains Java classes used to represent character classes in regular expressions.

- Interface Summary
  Interface | Description
  --- | ---
  CharacterClass | A character class represents a set of characters for regex matching purposes.

- Class Summary
  Class | Description
  --- | ---
  Categories | Data for Regular expression character categories.
  Categories.Category | A Category is a CharacterClass represented in a regular expression as \p{Xx}.
  EmptyCharacterClass | A character class represents a set of characters for regex matching purposes.
  IntSetCharacterClass | A character class represents a set of characters for regex matching purposes.
  InverseCharacterClass | A character class represents a set of characters for regex matching purposes.
  PredicateCharacterClass | A character class represents a set of characters for regex matching purposes.
  SingletonCharacterClass | A character class represents a set of characters for regex matching purposes.