{"categories":["Flutter"],"author_name":"rils_k","width":"100%","description":"\u7c21\u5358\u306b\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3057\u305f\u304c\u610f\u5916\u3068\u898b\u3064\u3051\u308b\u307e\u3067\u6642\u9593\u304b\u304b\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002 Dart\u306b\u306f\u6587\u5b57\u5217\u304b\u3089\u6570\u5024\u306e\u307f\u3092\u62bd\u51fa\u3059\u308b\u3088\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u306f\u306a\u3044\u3088\u3046\u3067\u3059\u3002 \u306a\u306e\u3067.replaceAll\u3092\u4f7f\u3044\u307e\u3059\u3002 RegExp(r\"[^0-9]\")\u306f\u6b63\u898f\u8868\u73fe\u3092\u4f7f\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002 r\u306f\u30b9\u30da\u30eb\u30df\u30b9\u3058\u3083\u306a\u3044\u3067\u3059\u3088\u3002\u4e0d\u601d\u8b70\u306a\u66f8\u304d\u65b9\u3067\u3059\u306d\u3002 //Flutter Dart \u6570\u5024\u306e\u307f\u3092\u62bd\u51fa \u6570\u5024\u306e\u307f\u3092\u53d6\u308a\u51fa\u3059 \u6b63\u898f\u8868\u73fe var text = \"\u30421\u30442\u30463\";var extractedText = text.replaceAll(RegExp(r\"[^0-9]\"), \"\");print(\"\u6570\u5b57\u306e\u307f\u62bd\u51fa\u3057\u305f\u30c6\u30ad\u30b9\u30c8 $extracte\u2026","height":"190","blog_url":"https://rils-k.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frils-k.hatenablog.com%2Fentry%2F2021%2F10%2F06%2F114858\" title=\"Flutter Dart \u6587\u5b57\u5217\u304b\u3089\u6570\u5024\u306e\u307f\u3092\u53d6\u308a\u51fa\u3059\u65b9\u6cd5 - \u307e\u3060\u3069\u3053\u306b\u3082\u306a\u3044\u30a2\u30d7\u30ea\u3092\u4f5c\u308b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"author_url":"https://blog.hatena.ne.jp/rils_k/","published":"2021-10-06 11:48:58","provider_name":"Hatena Blog","blog_title":"\u307e\u3060\u3069\u3053\u306b\u3082\u306a\u3044\u30a2\u30d7\u30ea\u3092\u4f5c\u308b","url":"https://rils-k.hatenablog.com/entry/2021/10/06/114858","type":"rich","title":"Flutter Dart \u6587\u5b57\u5217\u304b\u3089\u6570\u5024\u306e\u307f\u3092\u53d6\u308a\u51fa\u3059\u65b9\u6cd5","provider_url":"https://hatena.blog","version":"1.0"}