{"type":"rich","blog_url":"https://monmon.hateblo.jp/","provider_url":"https://hatena.blog","image_url":null,"title":"\u5909\u6570\u3092\u4f7f\u3046\u6642\u306fnew RegExp\u3001\u305d\u3053\u3067()\u4f7f\u3063\u3066$1\u3068\u304b\u3067\u7f6e\u63db\u3057\u305f\u3044\u6642\u306fRegExp.$1\u304b\u5f15\u7528\u7b26\u3067\u56f2\u3080","categories":["JavaScript","\u6b63\u898f\u8868\u73fe"],"published":"2008-02-15 12:05:16","width":"100%","url":"https://monmon.hateblo.jp/entry/20080215/1203044716","provider_name":"Hatena Blog","blog_title":"\u3053\u3093\u306b\u3061\u306f\u3053\u3093\u306b\u3061\u306fmonmon\u3067\u3059\uff01","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmonmon.hateblo.jp%2Fentry%2F20080215%2F1203044716\" title=\"\u5909\u6570\u3092\u4f7f\u3046\u6642\u306fnew RegExp\u3001\u305d\u3053\u3067()\u4f7f\u3063\u3066$1\u3068\u304b\u3067\u7f6e\u63db\u3057\u305f\u3044\u6642\u306fRegExp.$1\u304b\u5f15\u7528\u7b26\u3067\u56f2\u3080 - \u3053\u3093\u306b\u3061\u306f\u3053\u3093\u306b\u3061\u306fmonmon\u3067\u3059\uff01\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","author_name":"lesamoureuses","author_url":"https://blog.hatena.ne.jp/lesamoureuses/","version":"1.0","description":"\u6b63\u898f\u8868\u73fe\u306b\u5909\u6570\u3092\u4f7f\u3044\u305f\u304f\u3066\u3001\u524d\u306b\u899a\u3048\u305fJavaScript\u306e\u6b63\u898f\u8868\u73fe\u3067\u5909\u6570\uff1f - \u304a\u3075\u3043\u3059\u30fb\u305e\u3093\u3061\u958b\u767a\u65e5\u8a18\u307f\u305f\u3044\u306b re = new RegExp(\"^\" + vname + \"[0-9]+$\"); \u3063\u3066\u3084\u3063\u3066\u305f\u306e\u3060\u3051\u3069\u3001\u7f6e\u63db\u6587\u5b57\u5217\u306b$1\u3092\u4f7f\u3046\u3068\u304d\u306e\u3084\u308a\u65b9\u3067\u30cf\u30de\u3063\u305f\u3002 var keyword = 'text'; var reg = new RegExp('(' + keyword + ')', 'gi'); var pre = 'pre'; var post = 'post'; 'text-text-text'.replace(reg, pre + $1 + post); \u3067\u30a8\u30e9\u30fc\u3002\u306a\u3093\u3067\u3060\uff1f\u2026"}