How to Remove Accents from Strings in Go?

Go: Removing Accents from Strings

In Go, removing accents from strings can be achieved using normalization and a remove function. The following approach utilizes the runes package in Go 1.5 or later:

<code class="go">import (
    "fmt"
    "runes"
    "code.google.com/p/go.text/transform"
    "code.google.com/p/go.text/unicode/norm"
)

func RemoveAccents(s string) string {
    t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
    result, _, _ := transform.String(t, s)
    return result
}

func main() {
    input := "résumé"
    fmt.Println(RemoveAccents(input)) // Output: resume
}</code>

In this approach, we:

1. Use the norm.NFD normalization form to convert the string to its fully decomposed form.
2. Remove non-spacing marks (accents) using runes.Remove(runes.In(unicode.Mn)).
3. Convert the string back to its composed form using norm.NFC.
4. Return the transformed string without accents.

Note that this approach requires Go 1.5 or later, which introduces the runes package.

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