re.sub on lists - python 3

Question

I have a list on which I try to remove special chars using a loop. When I\'ve tried to remove those special chars without a loop, it worked. But with a loop didn\'t work, bu

Answer 1

You can do this using a list comprehension, you mean something like this?

>>> import re
>>> x = [ '[1]', '[2]' ]
>>> [re.sub(r'\W', '', i) for i in x]
['1', '2']

The token \W matches any non-word character.