SandroMaglione

import 'dart:convert';

/// Manage conversion to and from base 64
mixin Base64Mixin {
  /// Converts a [dynamic] data from plain [String] to base64
  String toBase64(dynamic data) => base64.encode(utf8.encode(jsonEncode(data)));

  /// Converts a [dynamic] data from base64 to plain [String]
  String fromBase64(dynamic data) => utf8.decode(base64.decode(data as String));
}

mucar

var colorArray = ['#FF6633', '#FFB399', '#FF33FF', '#FFFF99', '#00B3E6', 
		  '#E6B333', '#3366E6', '#999966', '#99FF99', '#B34D4D',
		  '#80B300', '#809900', '#E6B3B3', '#6680B3', '#66991A', 
		  '#FF99E6', '#CCFF1A', '#FF1A66', '#E6331A', '#33FFCC',
		  '#66994D', '#B366CC', '#4D8000', '#B33300', '#CC80CC', 
		  '#66664D', '#991AFF', '#E666FF', '#4DB3FF', '#1AB399',
		  '#E666B3', '#33991A', '#CC9999', '#B3B31A', '#00E680', 
		  '#4D8066', '#809980', '#E6FF80', '#1AFF33', '#999933',
		  '#FF3380', '#CCCC00', '#66E64D', '#4D80CC', '#9900B3', 
		  '#E64D66', '#4DB380', '#FF4D4D', '#99E6E6', '#6666FF'];

terrancesnyder

Regex for matching ALL Japanese common & uncommon Kanji (4e00 – 9fcf) ~ The Big Kahuna!
([一-龯])

Regex for matching Hirgana or Katakana
([ぁ-んァ-ン])

Regex for matching Non-Hirgana or Non-Katakana
([^ぁ-んァ-ン])

Regex for matching Hirgana or Katakana or basic punctuation (、。’)