(function (Prism) {

	var string = /("|')(?:\\(?:\r\n?|\n|.)|(?!\1)[^\\\r\n])*\1/;

	Prism.languages.json5 = Prism.languages.extend('json', {
		'property': [
			{
				pattern: RegExp(string.source + '(?=\\s*:)'),
				greedy: true
			},
			{
				pattern: /(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?=\s*:)/,
				alias: 'unquoted'
			}
		],
		'string': {
			pattern: string,
			greedy: true
		},
		'number': /[+-]?\b(?:NaN|Infinity|0x[a-fA-F\d]+)\b|[+-]?(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:[eE][+-]?\d+\b)?/
	});

}(Prism));