本文介绍了PHP preg_match UUID v4的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我有一个字符串，其中包含 UUID v4
I've got a string that contains UUID v4
$uuid = 'http://domain.com/images/123/b85066fc-248f-4ea9-b13d-0858dbf4efc1_small.jpg';
我如何使用preg_match()从上面获取b85066fc-248f-4ea9-b13d-0858dbf4efc1值?
可以在此处
How would i get the b85066fc-248f-4ea9-b13d-0858dbf4efc1 value from the above using preg_match()?
More info on UUID v4 can be be found here
推荐答案
$uuid = 'http://domain.com/images/123/b85066fc-248f-4ea9-b13d-0858dbf4efc1_small.jpg';
preg_match('!/images/\d+/([a-z0-9\-]*)_!i', $uuid, $m);
还有
preg_match('/[a-f0-9]{8}\-[a-f0-9]{4}\-4[a-f0-9]{3}\-(8|9|a|b)[a-f0-9]{3}\-[a-f0-9]{12}/', $uuid, $m);
也可以.取自此处，但我不知道不知道我们是否可以依靠它.
works too. Taken from here, but I don't know if we can rely on that.
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