AlternationGroup class

Expression that match one of multiple expressions provided, separated by a vertical bar (|).

Given an input, it will look for a match from the expressions, checking one by one, starting from the most left item first, and when a match found, the search ends and the matcher will proceed to look at further unprocessed input tokens.

Example:

import 'package:fancy_regex/fancy_regex.dart';

RegExp exp = FancyRegex(
  expression: AlternationGroup(
    [
      CharacterGroup(
        [CharacterGroupRange.lowerCased(),],
      ),
      CharacterGroup(
        [CharacterGroupRange.upperCased(),],
      ),
    ],
  ),
);
print(exp.pattern,); // [a-z]|[A-Z]
exp.allMatches("en_US",); // matches "en" and "US"
exp.allMatches("id_ID",); // matches "id" and "ID"

Implemented types

• RegExpComponent

Available Extensions

• RegExpChain

Constructors

AlternationGroup(List<RegExpComponent> expressions)

Constructs a group that combine expressions into a new expression where each expression is separated by a vertical bar (|), indicating an OR operator

const

Properties

expressions → List<RegExpComponent>

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited