{"categories":["JavaScript"],"published":"2021-10-01 23:30:51","description":"lookahead (?=pattern) negative lookahead (?!pattern) lookbehind (?<=pattern) negative lookbehind (?<!pattern) lookahead \u306f\u3053\u306e\u5f8c\u306e\u6587\u7ae0\u304b\u3089\u5224\u65ad\u3059\u308b\u3002lookbehind \u306f\u3053\u3053\u307e\u3067\u306e\u6587\u7ae0\u304b\u3089\u5224\u65ad\u3059\u308b\u3002\u4ee5\u4e0a\u3002 (?<!Promise<)void(?!>) (?<=Promise<)void(?=>) 1\u5e74\u306b100\u56de\u304f\u3089\u3044\u300c\u5148\u8aad\u307f\u3068\u3042\u3068\u8aad\u307f\u3063\u3066\u3069\u3063\u3061\u304c\u3069\u3063\u3061\u3060?\u3069\u3063\u3061\u304c\u3069\u3046\u3044\u3046\u8a18\u6cd5\u3060\u3063\u3051?\u300d\u3063\u3066\u60a9\u3080\u306e\u3067\u307b\u3093\u3068\u3044\u3044\u52a0\u6e1b\u306b\u3057\u3066\u307b\u3057\u3044","url":"https://www.pandanoir.info/entry/2021/10/01/233051","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.pandanoir.info%2Fentry%2F2021%2F10%2F01%2F233051\" title=\"lookahead lookbehind(\u5148\u8aad\u307f\u3001\u5f8c\u8aad\u307f)\u307e\u3068\u3081 - Panda Noir\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"Panda Noir","version":"1.0","blog_url":"https://www.pandanoir.info/","image_url":null,"type":"rich","author_url":"https://blog.hatena.ne.jp/panda_noir/","title":"lookahead lookbehind(\u5148\u8aad\u307f\u3001\u5f8c\u8aad\u307f)\u307e\u3068\u3081","height":"190","author_name":"panda_noir","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","width":"100%"}