September 2017
Intermediate to advanced
466 pages
9h 33m
English
Content preview from Go Systems Programming
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Counting words
The trickiest part of the code implementation is word counting, which is implemented using regular expressions:
r := regexp.MustCompile("[^\\s]+")
for range r.FindAllString(line, -1) {
numberOfWords++
}
Here, the provided regular expression separates the words of a line based on whitespace characters in order to count them afterwards!
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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.