Jquery plugin to select all elements with [data-*] attributes.

gistfile1.txt

(function($) {
  $.extend($.expr[":"], {
    data: function(current, index, match, stack) {
      for (var i = 0, attrs = current.attributes, l = attrs.length; i < l; i++) {
        if((/\bdata-/g).test(attrs.item(i).nodeName)) return true;
      }

      return false;
    }
  })
})(jQuery);