How do I find one number in a string in Python?

Question

I have a file called something like FILE-1.txt or FILE-340.txt. I want to be able to get the number from the file name. I\'ve found that I can use

numbers = re.f         


        

Answer 1

If you want your program to be effective

use this:

num = filename.split("-")[1][:-4]

this will work only to the example that you showed