怎样用正则匹配字符

Question

http://1dwen.cn/index.php/lev...
怎样匹配到session_id后面的一串数字

Answer 1

var url = 'http://1dwen.cn/index.php/level/my_level/uid/1/session_id/38d0a6ce137acd80d969d0ead1ee1368';
var result = url.match(/session_id\/(.+?)$/)[1];
console.log(result);

Answer 2

一定要正则吗，split直接取出来不行吗？

或者直接：url[url.rindex("/")+1:]

正则可以试下：[^/]+(?!.*/)

Answer 3

[0-9a-f]{32}

Answer 4

var newstr="http://1dwen.cn/index.php/level/my_level/uid/1/session_id/38d0a6ce137acd80d969d0ead1ee1368";
var newreg=/\w+$/;
var newss=newstr.match(newreg);

Answer 5

var reg = /^[0-9a-f]$/;
reg.test(str);