JavaScript js正则表达式的相关内容

阿里云文档 2022-12-23

如何使用Node.js脚本节点编写JavaScript代码定制功能逻辑

如果物联网应用开发（IoT Studio）平台提供的节点不能满足您的需求，您可以使用Node.js脚本节点，编写JavaScript代码来灵活定制功能逻辑。目前支持Node v6.10版本。

文章 2016-05-15 来自：开发者社区

从零开始学_JavaScript_系列（16）——js系列<5>（正则表达式）

前注：参考网易云课堂前端的正则表达式内容（12）正则表达式 ①描述字符串规则的表达式使用 /规则/ 来表示 ②正则表达式.test(字符串) 用于测试正则表达式与字符串是否匹配返回值是true或者false 注：只需要字符串里包含正则表达式，即返回true，也就是说，假如正则表达式是/123/，字符串是a1234b，那么依然返回true &nb...

文章 2015-12-24 来自：开发者社区

javascript/JS常用正则表达式

javascript/JS限制用户名只能输入字母和数字下划线function checkreg(){        var msg = "对不起，输入错误\n";        var regform = document.all...

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