// http://james.padolsey.com/javascript/regex-selector-for-jquery/

jQuery.expr[':'].regex = function(elem, index, match) {
	var matchParams = match[3].split(',');
	var validLabels = /^(data|css):/;
	var attr = {
			method: matchParams[0].match(validLabels) ? matchParams[0].split(':')[0] : 'attr',
			property: matchParams.shift().replace(validLabels,'')
		};
	var regexFlags = 'ig';
	var regex = new RegExp(matchParams.join('').replace(/^\s+|\s+$/g,''), regexFlags);
	return regex.test(jQuery(elem)[attr.method](attr.property));
};