python string manipulation

Question

I have a string s with nested brackets: s = \"AX(p>q)&E((-p)Ur)\"

I want to remove all characters between all pairs of brackets and

Answer 1

You could use re.subn():

import re

s = 'AX(p>q)&E((-p)Ur)'
while True:
    s, n = re.subn(r'\([^)(]*\)', '', s)
    if n == 0:
        break
print(s)

Output

AX&E