Django Url反向错误

我有一个url，其中包含两个字段：用户id和代码：

url(r'^account_completion/(?P<user_id>d+)$/(?P<code>[-w]+)$', confirm_verification, name="confirmation_link"),

我尝试从shell获取链接，但出现错误

In [2]: reverse('confirmation_link', args=(123,'aaaaaaa'))/home/samuel/Documents/code/kazi/django_project/django_project/urls.py:34: 
  t = url(prefix=prefix, *t)

---------------------------------------------------------------------------
NoReverseMatch                            Traceback (most recent call last)
...
...

NoReverseMatch: Reverse for 'confirmation_link' with arguments '(123, 'aaaaaaa')' and keyword arguments '{}' not found. 1 pattern(s) tried: ['register/account_completion/(?P<user_id>d+)$/(?P<code>[-w]+)$']

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您的url正则表达式中有一个错误。请尝试以下操作：

url(r'^account_completion/(?P<user_id>\d+)/(?P<code>[-\w]+)$',
    confirm_verification, name="confirmation_link"),