findall & sub

Extract every match or rewrite the string.

re.findall returns every non-overlapping match. re.sub replaces matches with a string or a function's result.

import re
print(re.findall(r"\d+", "a1 b22 c333"))         # ['1', '22', '333']
print(re.sub(r"\s+", "_", "hello   world  py"))  # hello_world_py

main.py

Output

Press Run to execute.

Expected output

[3, 5, 2]
10