func strings.FieldsFunc

4 uses

	strings (current package)
		strings.go#L341: 		return FieldsFunc(s, unicode.IsSpace)
		strings.go#L379: func FieldsFunc(s string, f func(rune) bool) []string {

	github.com/robfig/cron/v3
		parser.go#L238: 	ranges := strings.FieldsFunc(field, func(r rune) bool { return r == ',' })

	net/http
		fs.go#L732: 	for _, ent := range strings.FieldsFunc(v, isSlashRune) {