March 2025
Intermediate to advanced
584 pages
15h 31m
English
Content preview from The Quick Python Book, Fourth EditionBecome 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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16 Regular expressions
This chapter covers
- Understanding regular expressions
- Creating regular expressions with special characters
- Using raw strings in regular expressions
- Extracting matched text from strings
- Substituting text with regular expressions
Some might wonder why I’m discussing regular expressions in this book at all. Regular expressions are implemented by a single Python module and are advanced enough that they don’t even come as part of the standard library in languages like C or Java. But if you’re using Python, you’re probably doing text parsing; if you’re doing that, regular expressions are too useful to be ignored. If you’ve used Perl, Tcl, or Linux/UNIX, you may be familiar with regular expressions; if not, this chapter goes ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.