September 2017
Intermediate to advanced
240 pages
5h 57m
English
Content preview from Learn More Python 3 the Hard Way: The Next Step for New Python ProgrammersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Exercise 31. Regular Expressions
Aregular expression (regex) is a succinct way to encode how a sequence of characters should be matched in a string. They are normally thought of as “scary” but, as you know, anything wrapped in fear is usually just taught wrong. The reality of regular expressions is they are a set of about eight symbols that tell a computer how to match a pattern. Used simply they are easy to understand. Where people run into trouble is trying to use incredibly complex regular expressions where an actual parser would be better. Once you understand these eight symbols and the limitations of regular expressions you’ll see they aren’t scary at all.
I’m going to have you do some more memorization to prime your brain for the discussion. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.