July 2015
Intermediate to advanced
410 pages
8h 22m
English
Content preview from Mastering JuliaBecome 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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Char and strings
So far we have been dealing with numeric and boolean datatypes. In this section we will look at character representation and how Julia handles ASCII and UTF-8 strings of characters. We will also introduce the concept of regular expressions, widely used in pattern matching and filtering operations.
Characters
Julia has a built-in type Char to represent a character. A character occupies 32 bits not 8, so a character can represent a UTF-8 symbol and may be assigned in a number of ways:
julia> c = 'A' julia> c = char(65) julia> c = '\U0041'
All these represent the ASCII character capital A.
It is possible to specify a character code of '\Uffff' but char conversion does not check that every value is valid. However, Julia provides an ...
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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.