February 2003
Intermediate to advanced
1440 pages
30h 42m
English
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Regular Expression Words-of-Caution
Regular expressions describe patterns for which you are searching. The regular expression usually defines the pattern for which you are searching using wildcards. Since a regular expression defines a pattern you are searching for, the terms regular expression and pattern matching are often used interchangably.
Let's get down to a couple of words-of-caution immediately:
Regular expressions are different from file-matching patterns used by the shell. Regular expressions are used by both the shell and many programs, including those covered in this chapter. The file matching done by the shell and programs such as find are different from the regular expressions covered in this chapter.
Use single quotes around ...
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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.
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.