jashkenas--coffeescript/documentation/js/interpolation_expression.js

(function(){
  var dates, sentence, sep;
  sentence = ("" + (22 / 7) + " is a decent approximation of π");
  sep = "[.\\/\\- ]";
  dates = (new RegExp(("\\d+" + sep + "\\d+" + sep + "\\d+"), "g"));
})();