parsing a line of text to get a specific number

Question

I have a line of text in the form \" some spaces variable = 7 = \'0x07\' some more data\"

I want to parse it and get the number 7 from \

Answer 1

Basic regex code snippet to find numbers in a string.

>>> import re
>>> input = " some spaces variable = 7 = '0x07' some more data"
>>> nums = re.findall("[0-9]*", input)
>>> nums = [i for i in nums if i]  # remove empty strings
>>> nums
['7', '0', '07']

Check out the documentation and How-To on python.org.