{"provider_url":"https://hatena.blog","height":"190","blog_url":"https://tbpgr.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/tbpg/","url":"https://tbpgr.hatenablog.com/entry/20120606/1339001390","title":"\u66f8\u7c4d Regular Expressions Cookbook | Matching IPv4 Addresses","description":"\u30d1\u30f3\u304f\u305a \u66f8\u7c4d Regular Expressions Cookbook Matching IPv4 Addresses \u6982\u8981 IPv4\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066 \u30b5\u30f3\u30d7\u30eb subject = Array.new subject << \"192.168.0.1\" # => match subject << \"255.255.255.255\" # => match subject << \"1.1.1.1\" # => match subject << \"1111.1.1.1\" ip = \"(?:25[0-5]|2[0-4][\\d]|[01]?[0-9]?[0-9])\" pattern = /\\b(?\u2026","blog_title":"Tbpgr Blog","image_url":null,"version":"1.0","categories":["Regular Expressions Cookbook"],"published":"2012-06-06 01:49:50","type":"rich","author_name":"tbpg","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftbpgr.hatenablog.com%2Fentry%2F20120606%2F1339001390\" title=\"\u66f8\u7c4d Regular Expressions Cookbook | Matching IPv4 Addresses - Tbpgr 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"}