Remove opening and closing parenthesis with word in pandas

Question

Given a data frame:

df = 

                         multi
0 MULTIPOLYGON(((3 11, 2 33)))
1 MULTIPOLYGON(((4 22, 5 66)))

I was trying to remov

Answer 1

You can also use str.replace with a regex:

# removes anything that's not a digit or a space or a dot
df['multi'] = df.multi.str.replace('[^0-9\. ]', '', regex=True)#changing regex