url(r'^(?P<form_tag>[^/]+)/thanks/$', views.thanks, name='contact_thanks'),
url(r'^attachment/(?P<contact_id>\d+)/(?P<tag>[^/]+)/$', views.attachment, name='contact_attachment'),
url(r'^(?P<form_tag>[^/]+)/thanks/$', views.thanks, name='contact_thanks'),
url(r'^attachment/(?P<contact_id>\d+)/(?P<tag>[^/]+)/$', views.attachment, name='contact_attachment'),