Chapter 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 ...
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