text: /**
   * `{{ }}` => `<span>{{</span> <span>}}</span>`
   * @param  {string} str
   * @return {string}
   */
  var replaceDelimiters = function (str) {
    return str.replace(/({{|}})/g, '<span>$1</span>')
  }
  exports.replaceDelimiters = replaceDelimiters
  