December 2023
Intermediate to advanced
242 pages
5h 28m
English
Content preview from Text Processing with JavaScript
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Groups and Backreferences
| Syntax | Group Type | Description |
|---|---|---|
| (x) | Capturing Group | Captures the matched substring and assigns it a group number. |
| (?<Name>x) | Named Capturing Group | Captures the matched substring by name and assigns it a group number. |
| (?:x) | Non-Capturing Group | Matches "x" but does not capture it as a group. |
| \n | Backreference | Matches the same text as the nth captured group. |
| k<Name> | Backreference to a Named Capturing Group | Matches the same text as the nth named captured group. |
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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.