Delete all superfluous spaces from a string

//______________________________________________________________________________

// ZapBlanks elimina tutti i spazi superflui da una stringa.
func ZapBlanks(text string) string {
    borders := regexp.MustCompile(`^[\s\p{Zs}]+|[\s\p{Zs}]+$`)
    inner := regexp.MustCompile(`[\s\p{Zs}]{2,}`)
    f := borders.ReplaceAllString(text, "")
    f = inner.ReplaceAllString(f, " ")

    return f
}