43 lines
1.4 KiB
Go
43 lines
1.4 KiB
Go
// The standard library's `strings` package provides many
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// useful string-related functions.
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package main
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import s "strings"
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import "fmt"
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// Helper for all the printing we'll do in this example.
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func p(o ...interface{}) {
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fmt.Println(o...)
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}
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func main() {
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// Here's a sampling of the functions available in
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// `strings`. Note that these are all functions from
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// package, not methods on the string object itself.
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// This means that we nned pass the string in question
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// as the first argument to the functions.
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p("Contains: ", s.Contains("test", "es"))
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p("Count: ", s.Count("test", "t"))
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p("HasPrefix: ", s.HasPrefix("test", "te"))
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p("HasSuffix: ", s.HasSuffix("test", "st"))
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p("Index: ", s.Index("test", "e"))
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p("Join: ", s.Join([]string{"a", "b"}, "-"))
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p("Repeat: ", s.Repeat("a", 5))
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p("Replace: ", s.Replace("foo", "o", "0", -1))
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p("Replace: ", s.Replace("foo", "o", "0", 1))
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p("Split: ", s.Split("a-b-c-d-e", "-"))
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p("toLower: ", s.ToLower("TEST"))
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p("ToUpper: ", s.ToUpper("test"))
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p()
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// You can find more functions in the [`strings`]()
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// package docs.
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// Not part of `strings` but worth mentioning here are
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// the mechanisms for getting the length of a string
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// and getting a character by index.
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p("len: ", len("hello"))
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p("char:", "hello"[1])
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}
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