code: function regexize (rulesToRemove) {
    var rulesRegexes = []
    for (var i = 0, l = rulesToRemove.length; i < l; i++) {
      if (typeof rulesToRemove[i] === 'string') {
        rulesRegexes.push(new RegExp('^\\s*' + escapeRegExp(rulesToRemove[i]) + '\\s*$'))
      } else {
        rulesRegexes.push(rulesToRemove[i])
      }
    }
    return rulesRegexes
  }
docs: Turn strings from rules to remove into a regexp to concat them later
  @param  {Mixed Array} rulesToRemove
  @return {RegExp Array}