javascript在字符串中提取网址并替换成超链接

Question

最近做项目中遇到一个问题就是把字符串中的网址变成超链接
如 var str = "

http://wasmip.baidu.com.cn/mip/km/archives/km_archives_main/kmArchivesMain.do?method=view&fdId%1059192
测试22222
http://www.baidu.com

www.baidu.com";

目标字符串
"

http://wasmip.baidu.com.cn/mip/km/archives/km_archives_main/kmArchivesMain.do?method=view&fdId%1059192
测试22222
http://www.baidu.com

www.baidu.com"

Answer 1

[code="java"]
var str = '

http://wasmip.baidu.com.cn/mip/km/archives/km_archives_main/kmArchivesMain.do?method=view&fdId%1059192
测试22222
http://www.baidu.com

www.baidu.com';
var re=/(http:\/\/)?([A-Za-z0-9]+.[A-Za-z0-9]+[\/=\?%-&_~`@[]\':+!]*([^<>\"\"])*)/g;
str=str.replace(re,function(a,b,c){return ''+a+'';});

alert(str);
[/code]