{"title":"\u518d\u5e30\u7684\u306a\u6b63\u898f\u8868\u73fe","blog_url":"https://javascripter.hatenablog.com/","width":"100%","author_url":"https://blog.hatena.ne.jp/javascripter/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjavascripter.hatenablog.com%2Fentry%2F20081202%2F1228229666\" title=\"\u518d\u5e30\u7684\u306a\u6b63\u898f\u8868\u73fe - \u7d20\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u7d20\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u30d6\u30ed\u30b0","height":"190","author_name":"javascripter","description":"Ruby1.9\u3067\u4f7f\u3048\u308b\u518d\u5e30\u7684\u306a\u6b63\u898f\u8868\u73fe\u3002 re = /(?<expr>\\((?:\\g<expr>|foo)\\))/ p re =~ \"((foo))\" \u6570\u5f0f\u306b\u30de\u30c3\u30c1\u3055\u305b\u3088\u3046\u3068\u3057\u3066/^(?[+\\-]?\\d+(?:[+\\-*\\/]\\(\\g\\)|$))/\u3063\u3066\u3057\u305f\u3089\u99c4\u76ee\u3060\u3063\u305f\u3002\u3080\u305a\u304b\u3057\u3044\u3002","provider_url":"https://hatena.blog","url":"https://javascripter.hatenablog.com/entry/20081202/1228229666","type":"rich","version":"1.0","provider_name":"Hatena Blog","image_url":null,"categories":["ruby"],"published":"2008-12-02 23:54:26"}