{"author_url":"https://blog.hatena.ne.jp/mtoyoshi/","url":"https://mtoyoshi.hateblo.jp/entry/20110523/1306078597","author_name":"mtoyoshi","provider_name":"Hatena Blog","height":"190","description":"ruby\u306e\u4f8b\u304b\u3089\u3002 str = \"hello, world\" if str =~ /hello, (.+)/ puts $1 end \u3053\u308c\u3067\u3001\u300cworld\u300d\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002 \u3053\u308c\u3068\u540c\u3058\u3053\u3068\u3092javascript\u3067\u3069\u3046\u3084\u308b\u304b\u3001\u305a\u3063\u3068\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u3093\u3060\u3051\u3069\u3001\u3072\u3087\u3093\u306a\u4e8b\u304b\u3089\u77e5\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3057\u305f\u3002 var str = \"hello, world\"; if (str.match(/hello, (.+)/)) { alert(RegExp.$1); } RegExp.$1\u3060\u3063\u305f\u3068\u306f\uff01 \u4eca\u8aad\u3093\u3067\u3044\u308b\u3053\u306e\u672c\u306b\u8f09\u3063\u3066\u3044\u307e\u3057\u305f\u3002 \u3082\u3061\u308d\u3093\u3001Web\u8106\u5f31\u6027\u306b\u95a2\u3059\u308b\u89e3\u8aac\u672c\u306a\u3093\u3060\u3051\u3069\u3001javascript\u306e\u3053\u3046\u3044\u3046\u30c6\u30af\u2026","provider_url":"https://hatena.blog","published":"2011-05-23 00:36:37","title":"\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u30f3\u30b0\u3057\u305f\u90e8\u5206\u306e\u62bd\u51fa","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmtoyoshi.hateblo.jp%2Fentry%2F20110523%2F1306078597\" title=\"\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u30f3\u30b0\u3057\u305f\u90e8\u5206\u306e\u62bd\u51fa - mtoyoshi\u958b\u767a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"http://ecx.images-amazon.com/images/I/41lX6Fg5KpL.jpg","blog_title":"mtoyoshi\u958b\u767a\u30e1\u30e2","blog_url":"https://mtoyoshi.hateblo.jp/","type":"rich","width":"100%","categories":["Javascript","ruby"]}