{"description":"#!/usr/bin/perl use strict; use warnings; { use utf8; my $res = ('\uff11\uff12\uff13' =~ /^\\d+$/) ? \"match\" : \"unmatch\"; print \"use utf8 ... $res\\n\"; } { no utf8; my $res = ('\uff11\uff12\uff13' =~ /^\\d+$/) ? \"match\" : \"unmatch\"; print \" no utf8 ... $res\\n\"; } \u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u3053\u3046\u306a\u308b\u3002 use utf8 ... match no utf8 ... unmatch\u3053\u308c\u3092DB\u306einteger\u306a\u30ab\u30e9\u2026","provider_url":"https://hatena.blog","blog_title":"Lism.in * blog - nekoya (id:studio-m)","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fstudio-m.hatenadiary.org%2Fentry%2F20080319%2F1205885311\" title=\"use utf8\u3059\u308b\u3068\\d\u3067\u5168\u89d2\u6570\u5b57\u304c\u30de\u30c3\u30c1\u3059\u308b - Lism.in * blog - nekoya (id:studio-m)\" 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","blog_url":"https://studio-m.hatenadiary.org/","author_name":"studio-m","height":"190","width":"100%","author_url":"https://blog.hatena.ne.jp/studio-m/","published":"2008-03-19 09:08:31","title":"use utf8\u3059\u308b\u3068\\d\u3067\u5168\u89d2\u6570\u5b57\u304c\u30de\u30c3\u30c1\u3059\u308b","image_url":null,"provider_name":"Hatena Blog","url":"https://studio-m.hatenadiary.org/entry/20080319/1205885311","version":"1.0","categories":["perl"]}