javascript - 正则表达式字符串 URL

Question

示例

 1. http://ad.ly/123411/http://blabalba.com/adaf
 2. http://ad.ly/142145/http://blabal.com/adf34

how to replace front String http://ad.ly/1246721/ use js regex
into http://blabalbal.com/adaf

得到这个http://blabalbal.com/adaf

Answer 1

所需的正则表达式为http:\/\/adf_.ly\/\d+\/(.+)

var str = 'http://adf_.ly/1246721/http://prefiles.com/files';
var re = /http:\/\/adf_.ly\/\d+\/(.+)/;
var newstr = re.exec(str)[1];