Package org.apache.lucene.util.automaton

Enum Class RegExp.Kind

java.lang.Object
java.lang.Enum<RegExp.Kind>
org.apache.lucene.util.automaton.RegExp.Kind
All Implemented Interfaces:
Serializable, Comparable<RegExp.Kind>, Constable
Enclosing class:
RegExp
public static enum RegExp.Kind extends Enum<RegExp.Kind>
The type of expression represented by a RegExp node.

  • Enum Constant Details

    • REGEXP_UNION

      public static final RegExp.Kind REGEXP_UNION
      The union of two expressions

    • REGEXP_CONCATENATION

      public static final RegExp.Kind REGEXP_CONCATENATION
      A sequence of two expressions

    • REGEXP_INTERSECTION

      public static final RegExp.Kind REGEXP_INTERSECTION
      The intersection of two expressions

    • REGEXP_OPTIONAL

      public static final RegExp.Kind REGEXP_OPTIONAL
      An optional expression

    • REGEXP_REPEAT

      public static final RegExp.Kind REGEXP_REPEAT
      An expression that repeats

    • REGEXP_REPEAT_MIN

      public static final RegExp.Kind REGEXP_REPEAT_MIN
      An expression that repeats a minimum number of times

    • REGEXP_REPEAT_MINMAX

      public static final RegExp.Kind REGEXP_REPEAT_MINMAX
      An expression that repeats a minimum and maximum number of times

    • REGEXP_COMPLEMENT

      public static final RegExp.Kind REGEXP_COMPLEMENT
      The complement of a character class

    • REGEXP_CHAR

      public static final RegExp.Kind REGEXP_CHAR
      A Character

    • REGEXP_CHAR_RANGE

      public static final RegExp.Kind REGEXP_CHAR_RANGE
      A Character range

    • REGEXP_CHAR_CLASS

      public static final RegExp.Kind REGEXP_CHAR_CLASS
      A Character class (list of ranges)

    • REGEXP_ANYCHAR

      public static final RegExp.Kind REGEXP_ANYCHAR
      Any Character allowed

    • REGEXP_EMPTY

      public static final RegExp.Kind REGEXP_EMPTY
      An empty expression

    • REGEXP_STRING

      public static final RegExp.Kind REGEXP_STRING
      A string expression

    • REGEXP_ANYSTRING

      public static final RegExp.Kind REGEXP_ANYSTRING
      Any string allowed

    • REGEXP_AUTOMATON

      public static final RegExp.Kind REGEXP_AUTOMATON
      An Automaton expression

    • REGEXP_INTERVAL

      public static final RegExp.Kind REGEXP_INTERVAL
      An Interval expression

    • REGEXP_DEPRECATED_COMPLEMENT

      @Deprecated public static final RegExp.Kind REGEXP_DEPRECATED_COMPLEMENT
      Deprecated.
      Will be removed in Lucene 11
      The complement of an expression.

  • Method Details

    • values

      public static RegExp.Kind[] values()
      Returns an array containing the constants of this enum class, in the order they are declared.
      Returns:
      an array containing the constants of this enum class, in the order they are declared

    • valueOf

      public static RegExp.Kind valueOf(String name)
      Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)
      Parameters:
      name - the name of the enum constant to be returned.
      Returns:
      the enum constant with the specified name
      Throws:
      IllegalArgumentException - if this enum class has no constant with the specified name
      NullPointerException - if the argument is null