Replace non alphanumeric characters except some exceptions python

Question

In perl s/[^\\w:]//g would replace all non alphanumeric characters EXCEPT :

In python I\'m using re.sub(r\'\\W+\', \'\',mystring)

Answer 1

I believe the approach you describe in perl could also be used in python, eg:

re.sub(r'[^\w=]', '',mystring)

would remove everything except word-characters and =