{"title":"perl\u3067\u65e5\u672c\u8a9e\u542b\u3080\u304b\u3069\u3046\u304b\u306e\u5224\u5b9a","description":"\u6b63\u78ba\u306b\u306f\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u306e\u5224\u5b9a use Encode qw(decode); my $text = \"\u3053\u3093\u306b\u3061\u306f\u3001\u4e16\u754c\uff01\"; if (length(decode('Shift_JIS', $text)) != length($text)) { print \"\u6587\u5b57\u5217\u306b\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\\n\"; } else { print \"\u6587\u5b57\u5217\u306b\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\\n\"; } \u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u6587\u5b57\u5217\u3092 decode \u3057\u3066\u304b\u3089 length \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u5143\u306e\u6587\u5b57\u5217\u3068\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u6bd4\u8f03\u3057 \u7570\u306a\u308b\u5834\u5408\u306b\u306f\u6587\u5b57\u5217\u306b\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3068\u5224\u65ad\u3057\u3066\u2026","version":"1.0","blog_url":"https://blog.systemjp.net/","published":"2023-05-10 13:27:23","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F2023%2F05%2F10%2F132723\" title=\"perl\u3067\u65e5\u672c\u8a9e\u542b\u3080\u304b\u3069\u3046\u304b\u306e\u5224\u5b9a - shikaku&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","type":"rich","author_url":"https://blog.hatena.ne.jp/shikaku/","url":"https://blog.systemjp.net/entry/2023/05/10/132723","image_url":null,"blog_title":"shikaku's blog","height":"190","provider_url":"https://hatena.blog","width":"100%","categories":[],"author_name":"shikaku"}