{"image_url":null,"version":"1.0","blog_title":"\u306f\u3061\u3085\u306b\u3063\u304d","provider_url":"https://hatena.blog","url":"https://hatyuki.hatenablog.jp/entry/20081217/p1","published":"2008-12-17 00:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhatyuki.hatenablog.jp%2Fentry%2F20081217%2Fp1\" title=\"\u6b63\u898f\u8868\u73fe\u3067\u306f\u307e\u308b - \u306f\u3061\u3085\u306b\u3063\u304d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","provider_name":"Hatena Blog","author_name":"magicalhat","description":"Perl print \"hogehoge\\n\\n\" =~ /^\\n$/ ? \"true\" : \"false\"; #=> false Ruby p \"hogehoge\\n\\n\" =~ /^\\n$/ # => 9 \u3080\u3080\u3080\uff1fPerl \u3060\u3068 false \u306a\u306e\u306b\u3001Ruby \u3060\u3068 true \u306b\u306a\u308b\u3002 \u306a\u3093\u3067\uff1f \u3068\u601d\u3063\u3066\u3044\u305f\u3089\u3001\u521d\u3081\u3066\u306e Ruby \u306b\u66f8\u3044\u3066\u3042\u3063\u305f\u3002 Ruby\u3067\u306f\u300c\u884c\u982d\u2260\u6587\u5b57\u5217\u306e\u5148\u982d\u300d\u304b\u3064\u300c\u884c\u672b\u2260\u6587\u5b57\u5217\u306e\u672b\u5c3e\u300d\u3089\u3057\u3044\u3002 (\u6539\u884c\u6587\u5b57\u304c\u542b\u307e\u308c\u308b\u3068\u3001\u305d\u3053\u3067\u884c\u304c\u5909\u308f\u308b\u3063\u3066\u3086\u30fc\u98a8\u306b\u306a\u3063\u3066\u308b\u307f\u305f\u3044) \u3088\u3063\u3066\u3001\u4eca\u56de\u306e\u4f8b\u3060\u3068\u3001\"\\n\\n\" \u30682\u3064\u7d9a\u3044\u3066\u3044\u308b\u306e\u3067\u3001\u7a7a\u884c\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u3001Ruby \u306e\u65b9\u306f tr\u2026","categories":["Ruby"],"width":"100%","blog_url":"https://hatyuki.hatenablog.jp/","height":"190","author_url":"https://blog.hatena.ne.jp/magicalhat/","title":"\u6b63\u898f\u8868\u73fe\u3067\u306f\u307e\u308b"}