{"image_url":null,"blog_url":"https://r9.hateblo.jp/","version":"1.0","title":"looks_like_number()\u8fd4\u5374\u5024\u306e\u8b0e","blog_title":"Perl\u65e5\u8a18","type":"rich","height":"190","width":"100%","url":"https://r9.hateblo.jp/entry/20100401/p1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fr9.hateblo.jp%2Fentry%2F20100401%2Fp1\" title=\"looks_like_number()\u8fd4\u5374\u5024\u306e\u8b0e - Perl\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","categories":["Perl"],"author_url":"https://blog.hatena.ne.jp/rightgo09/","author_name":"rightgo09","description":"\u524d\u3005\u56de\u3001\u524d\u56de\u306e\u30a8\u30f3\u30c8\u30ea\u306b\u5f15\u304d\u7d9a\u304d\u3001looks_like_number()\u306e\u8fd4\u5374\u5024\u3092\u8abf\u3079\u3066\u307f\u305f\u3002 use Scalar::Util qw/ looks_like_number /; say looks_like_number(123); #=> 4352 1\u304c\u51fa\u308b\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3060\u3051\u308c\u3069\u3002 \u3082\u3046\u4e00\u5ea6perldoc\u3057\u3066\u307f\u308b\u3002 The CPAN Search Site - search.cpan.org perldoc Scalar::Util looks_like_number EXPR Returns true if perl thinks EXPR is a number. See \"looks\u2026","provider_name":"Hatena Blog","published":"2010-04-01 00:00:00"}