January 2024
Intermediate to advanced
718 pages
20h 15m
English
Content preview from Programming Ruby 3.3Become 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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Strings
Strings are probably the most commonly used data type in Ruby, and they have a powerful and wide-ranging API to prove it. Here are some of the most useful and most interesting String methods.
Finding Information about a String
The length of a string is accessible with the method String#length or String#size, which are aliases of each other. The length is in characters and is determined by the current encoding. You can get the length in bytes with the method String#bytesize. The method String#empty? returns true if the length of the string is zero.
If you want to know how many times a given character is used in a string, you can use String#count(*selectors). This works, as you probably expect, if you pass in a single character, but it ...
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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.
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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.