请输入 JS 代码清空// 检测是否是合法的 URL function isUrl(url) { const regex = /\b(https?):\/\/[\-A-Za-z0-9+&@#\/%?=~_|!:,.;]*[\-A-Za-z0-9+&@#\/%=~_|]/i; return regex.test(url); } // 测试代码 let url = "https://www.tool55.com"; let r = isUrl(url); // 输出结果 console.log(url); console.log(r); ▶ 运行代码 运行结果复制