collation library

Provides locale-sensitive string comparison.

import 'package:intl4x/collation.dart';

void main() {
  print('a'.compareLocale('b')); // Prints -1
  print('ä'.compareLocale('z', locale: Locale('de'))); // Prints -1
  print('ä'.compareLocale('z', locale: Locale('sv'))); // Prints 1

  final collation = Collation(locale: Locale('de'));
  final list = ['a', 'ä', 'b'];
  list.sort(collation.compare);
  print(list); // Prints [a, b, ä]
}

Available either as an extension on String, or through the Collation class.

Classes

Collation

Provides locale-sensitive string comparison.

Locale

Representing a Unicode locale identifier.

Enums

CaseFirst

How upper case or lower case letters should be sorted.

Sensitivity

Which differences in the strings should lead to non-zero result values. The default is Sensitivity.variant for usage Usage.sort; it's locale dependent for Usage.search.

Usage

Whether to use collation for searching for strings in an array, or rather sorting an array of strings.

Extensions

CollationExt on String

Extension methods on String for locale-sensitive collation.