code: function getOptions(value) {
    var options = {};
    if(include(value, '短縮')) {
      options.tanshuku = true;
    }
    if (include(value, '元年')) {
      options.gannen = true;
    }
    if (include(value, '漢数字フル')) {
      options.kansujiFull = true;
    } else if (include(value, '漢数字')) {
      options.kansuji = true;
    } else if (include(value, '漢字')) {
      options.kanji = true;
    } else if (include(value, '全角')) {
      options.zenkaku = true;
    }
    if (include(value, 'エスケープ')) {
      options.escape = true;
    }
    return Object.keys(options).length ? options : null;
  }
docs: オプションの解析
  @param  {String} value
  @return {Object} options