How to extract numbers from a string in Python

How to extract numbers from a string in Python.

[rayoh]

VERY NICE SHORT AND SWEET TIP, THANKS!

[ncmo]

How would you do this with negative numbers, if it even is possible

[ryanhakalmazian]

Hello, I could not get it to work this is the code
for el in soup.find_all(attrs={"class": "form-field"}):
print(el)
I just want it to print numbers