正则表达式理论篇2016-11-04 次访问先来看一个例子这里有一个例子,用来匹配 URL 的正则表达式。 12345678var url = 'http://bubuzou.com:80/goodparts?q#fragment'var parse_url = /^(?:([A-Za-z]+):)?(\/{0,3})([0-9.\-A-Z-a-z]+)(?::(\d+))?(?:\/([^?#]*))?(?:\?([^#]*))?(?:#(.*))?$/console.log(parse_url.exec(url))/*上面这段代码产生的结果如下:["http://bubuzou.com:80/goodparts?q#fragment", "http", "//", "bubuzou.com", "80", "goodparts", "q", "fragment"]*/...more