fast way to remove lowercase substrings from string?

Question

What\'s an efficient way in Python (plain or using numpy) to remove all lowercase substring from a string s?

s = \"FOObarFOOObBAR\"
remove_lowe         


        

Answer 1

import re

remove_lower = lambda text: re.sub('[a-z]', '', text)

s = "FOObarFOOObBAR"
s = remove_lower(s)

print(s)