May 2015
Intermediate to advanced
112 pages
2h 14m
English
Content preview from Javascript Regular Expressions
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Boundaries
In the following table, you can find the patterns for boundaries, which will tell the Regex what position to do the matching in.
|
Pattern |
Description |
Example |
|---|---|---|
|
|
This matches the beginning of an input. If the multiline flag is set to true, it also matches immediately after the ( |
|
|
|
This matches the end of an input. If the multiline flag is set to true, it also matches immediately before the ( |
|
|
|
This matches any word boundary (test characters must exist at the beginning or at the end of a word within the string). |
|
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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.