return genSplit(s, sep, len(sep), n)
}

// Split slices s into all subslices separated by sep and returns a slice of
// the subslices between those separators.
// If sep is empty, Split splits after each UTF-8 sequence.
// It is equivalent to SplitN with a count of -1.
//
// To split around the first instance of a separator, see [Cut].
func Split(s, sep []byte) [][]byte { return genSplit(s, sep, 0, -1) }

		}

		s := Join(a, []byte(tt.sep))
		if string(s) != tt.s {
			t.Errorf(`Join(Split(%q, %q, %d), %q) = %q`, tt.s, tt.sep, tt.n, tt.sep, s)
		}
		if tt.n < 0 {
			b := sliceOfString(Split([]byte(tt.s), []byte(tt.sep)))
			if !slices.Equal(result, b) {
				t.Errorf("Split disagrees with SplitN(%q, %q, %d) = %v; want %v", tt.s, tt.sep, tt.n, b, a)
			}
		}
		if len(a) > 0 {
			in, out := a[0], s

	if !leadingPercent {
		res = strings.TrimPrefix(text, pat)
		if len(text) == len(res) {
			return "", false
		}
	} else {
		parts := strings.SplitN(text, pat, 2)
		if len(parts) == 1 {
			return "", false
		}
		res = parts[1]
	}
	return res, true
}

func dropRune(text string) (res string, ok bool) {
	r := []rune(text)
	if len(r) == 0 {

	uploadBytes, err := base64.RawURLEncoding.DecodeString(uploadID)
	if err != nil {
		return "", fmt.Errorf("error parsing uploadID %s (%w)", uploadID, err)
	}
	slc := strings.SplitN(string(uploadBytes), ".", 2)
	if len(slc) != 2 {
		return "", fmt.Errorf("uploadID %s has incorrect format", uploadID)
	}
	return slc[0], nil

		port          int
		publicIP      string
		portRange     string
		tlsPrivateKey string
		tlsPublicCert string
		forceTLS      bool
	)

	var err error
	for _, arg := range args {
		tokens := strings.SplitN(arg, "=", 2)
		if len(tokens) != 2 {
			logger.Fatal(fmt.Errorf("invalid arguments passed to --ftp=%s", arg), "unable to start FTP server")
		}
		switch tokens[0] {
		case "address":

	creds := strings.SplitN(strings.TrimSpace(credElement), "=", 2)
	if len(creds) != 2 {
		return ch, ErrMissingFields
	}
	if creds[0] != "Credential" {
		return ch, ErrMissingCredTag
	}
	credElements := strings.Split(strings.TrimRight(strings.TrimSpace(creds[1]), SlashSeparator), SlashSeparator)
	if len(credElements) < 5 {

	buf := debug.Stack()
	// runtime stack of go routines will be listed with 2 blank spaces between each of them, so split on "\n\n" .
	for g := range strings.SplitSeq(string(buf), "\n\n") {
		// Again split on a new line, the first line of the second half contains the info about the go routine.
		sl := strings.SplitN(g, "\n", 2)
		if len(sl) != 2 {
			continue
		}
		stack := strings.TrimSpace(sl[1])

)

// ParseSecretKey parses s as <key-id>:<base64> and returns a
// KMS that uses s as builtin single key as KMS implementation.
func ParseSecretKey(s string) (*KMS, error) {
	v := strings.SplitN(s, ":", 2)
	if len(v) != 2 {
		return nil, errors.New("kms: invalid secret key format")
	}

	keyID, b64Key := v[0], v[1]
	key, err := base64.StdEncoding.DecodeString(b64Key)
	if err != nil {
		return nil, err

	if !isMysql() {
		return false
	}

	var version string
	if err := DB.Raw("SELECT VERSION()").Row().Scan(&version); err != nil {
		return false
	}

	base := strings.SplitN(strings.TrimSpace(version), "-", 2)[0]
	parts := strings.Split(base, ".")
	if len(parts) < 2 {
		return false
	}

	currentMajor, err := strconv.Atoi(parts[0])
	if err != nil {
		return false
	}

			allowPubKeys = filterAlgos(arg, strings.Split(tokens[1], ","), supportedPubKeyAuthAlgos)
		case "kex-algos":
			allowKexAlgos = filterAlgos(arg, strings.Split(tokens[1], ","), supportedKexAlgos)
		case "cipher-algos":
			allowCiphers = filterAlgos(arg, strings.Split(tokens[1], ","), supportedCiphers)
		case "mac-algos":
			allowMACs = filterAlgos(arg, strings.Split(tokens[1], ","), supportedMACs)
		case "trusted-user-ca-key":