How to get character that comes after a particular substring, in python

Question

Imagine I have the text: http://127.0.0.1:8000/?page=2#section0

If my string contains ?page=, I want to be able to get 2 from the string (and not 2#section0, just the number after ?page=).

For instance, if I have http://127.0.0.1:8000/?page=32#section0, I ought to be able to get 32.

What's the fastest way to do that?

maxymoo · Accepted Answer · 2016-02-29 00:44:03Z

1

The easiest way would be with a regular expression: (\d) means "digit", (\d+) means "1 or more digit" and page=(\d+) means "1 or more digit following the text page=. In Python,

import re
re.search('page=(\d+)', yourstring).group(1)

answered Feb 29, 2016 at 0:44

maxymoo

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