{"blog_url":"https://blog.willnet.in/","author_url":"https://blog.hatena.ne.jp/willnet/","url":"https://blog.willnet.in/entry/20080611/1213200827","type":"rich","published":"2008-06-11 01:13:47","version":"1.0","provider_url":"https://hatena.blog","categories":["ruby","javascript"],"blog_title":"\u304a\u3082\u3057\u308dweb\u30b5\u30fc\u30d3\u30b9\u958b\u767a\u65e5\u8a18","title":"\u6587\u5b57\u5217\u306b\u6307\u5b9a\u306e\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u8abf\u3079\u308b\u95a2\u6570","description":"\u3044\u3064\u3082\u306e\u3088\u3046\u306b\u30e1\u30e2\u3002 javascript\u306e\u5834\u5408 String.indexOf(\"hoge\") \u623b\u308a\u5024\u306f\u4e00\u81f4\u3057\u305f\u6587\u5b57\u5217\u306e\u5148\u982d\u306e\u4f4d\u7f6e\u3002\u4e00\u81f4\u3059\u308b\u3082\u306e\u304c\u306a\u3044\u5834\u5408\u306f-1\u3002 String.search(/hoge/) \u5f15\u6570\u304cRegExp\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u3060\u3051\u3067\u4ed6\u306findexOf\u3068\u540c\u3058\u3002 ruby\u306e\u5834\u5408 String#index(\"hoge\") \u623b\u308a\u5024\u306f\u4e00\u81f4\u3057\u305f\u6587\u5b57\u5217\u306e\u5148\u982d\u306e\u4f4d\u7f6e\u3002\u4e00\u81f4\u3059\u308b\u3082\u306e\u304c\u306a\u3044\u5834\u5408\u306fnil\u3002 String#include?(\"hoge\") \u623b\u308a\u5024\u306ftrue/false\u3002\u5358\u7d14\u306b\u771f\u507d\u3092\u8fd4\u3059\u3060\u3051\u306a\u3089\u3053\u3063\u3061\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u65b9\u304c\u3088\u3055\u3052\u3002","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.willnet.in%2Fentry%2F20080611%2F1213200827\" title=\"\u6587\u5b57\u5217\u306b\u6307\u5b9a\u306e\u6587\u5b57\u5217\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u8abf\u3079\u308b\u95a2\u6570 - \u304a\u3082\u3057\u308dweb\u30b5\u30fc\u30d3\u30b9\u958b\u767a\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>","author_name":"willnet","provider_name":"Hatena Blog","height":"190","width":"100%","image_url":null}