strs = ['vk.com/albums54751623?z=photo54751623_341094858%2Fphotos54751623',
'vk.com/albums54751623',
'vk.com/id36375649',
'vk.com/id36375649']
print([x for x in strs if x.startswith(r'vk.com/id')])
c3RycyA9IFsndmsuY29tL2FsYnVtczU0NzUxNjIzP3o9cGhvdG81NDc1MTYyM18zNDEwOTQ4NTglMkZwaG90b3M1NDc1MTYyMycsCid2ay5jb20vYWxidW1zNTQ3NTE2MjMnLAondmsuY29tL2lkMzYzNzU2NDknLAondmsuY29tL2lkMzYzNzU2NDknXQpwcmludChbeCBmb3IgeCBpbiBzdHJzIGlmIHguc3RhcnRzd2l0aChyJ3ZrLmNvbS9pZCcpXSk=