InetAddresses.isInetAddress(withScopeId));
        Inet6Address parsed;
        boolean isNumeric = scopeId.matches("\\d+");
        try {
          parsed = (Inet6Address) InetAddresses.forString(withScopeId);
        } catch (IllegalArgumentException e) {
          if (!isNumeric) {
            // Android doesn't recognize %interface as valid
            continue;
          }
          throw e;

func isUnsigned(t Type) bool       { return isBasic(t, IsUnsigned) }
func isFloat(t Type) bool          { return isBasic(t, IsFloat) }
func isComplex(t Type) bool        { return isBasic(t, IsComplex) }
func isNumeric(t Type) bool        { return isBasic(t, IsNumeric) }
func isString(t Type) bool         { return isBasic(t, IsString) }
func isIntegerOrFloat(t Type) bool { return isBasic(t, IsInteger|IsFloat) }

func isUnsigned(t Type) bool       { return isBasic(t, IsUnsigned) }
func isFloat(t Type) bool          { return isBasic(t, IsFloat) }
func isComplex(t Type) bool        { return isBasic(t, IsComplex) }
func isNumeric(t Type) bool        { return isBasic(t, IsNumeric) }
func isString(t Type) bool         { return isBasic(t, IsString) }
func isIntegerOrFloat(t Type) bool { return isBasic(t, IsInteger|IsFloat) }

func parseNumericString(bytes []byte) (ret string, err error) {
	for _, b := range bytes {
		if !isNumeric(b) {
			return "", SyntaxError{"NumericString contains invalid character"}
		}
	}
	return string(bytes), nil
}

// isNumeric reports whether the given b is in the ASN.1 NumericString set.
func isNumeric(b byte) bool {
	return '0' <= b && b <= '9' ||
		b == ' '
}

// PrintableString

import okhttp3.internal.idn.Punycode
import okio.Buffer

/**
 * Quick and dirty pattern to differentiate IP addresses from hostnames. This is an approximation
 * of Android's private InetAddress#isNumeric API.
 *
 * This matches IPv6 addresses as a hex string containing at least one colon, and possibly
 * including dots after the first colon. It matches IPv4 addresses as strings containing only

	// Named and Alias, it also removes TypeParam.
	if n, ok := under.(*types.Named); ok {
		under = n.Underlying()
	}
	switch under := under.(type) {
	case *types.Basic:
		switch {
		case under.Info()&types.IsNumeric != 0:
			return &ast.BasicLit{Kind: token.INT, Value: "0"}
		case under.Info()&types.IsBoolean != 0:
			return &ast.Ident{Name: "false"}
		case under.Info()&types.IsString != 0:

			//    same type to succeed (this will result in an error
			//    because shifts of floats are not permitted)
			if x.mode == constant_ && y.mode == constant_ {
				toFloat := func(x *operand) {
					if isNumeric(x.typ) && constant.Sign(constant.Imag(x.val)) == 0 {
						x.typ = Typ[UntypedFloat]
					}
				}
				toFloat(x)
				toFloat(y)
			} else {
				check.convertUntyped(x, Typ[Float64])

		return e.Primary.evalNode(r, tableAlias)
	}

	v, err := e.Negated.Term.evalNode(r, tableAlias)
	if err != nil {
		return nil, err
	}

	inferTypeForArithOp(v)
	v.negate()
	if v.isNumeric() {
		return v, nil
	}
	return nil, errArithMismatchedTypes
}

func (e *JSONPath) evalNode(r Record, tableAlias string) (*Value, error) {
	alias := tableAlias
	if tableAlias == "" {

			//    same type to succeed (this will result in an error
			//    because shifts of floats are not permitted)
			if x.mode == constant_ && y.mode == constant_ {
				toFloat := func(x *operand) {
					if isNumeric(x.typ) && constant.Sign(constant.Imag(x.val)) == 0 {
						x.typ = Typ[UntypedFloat]
					}
				}
				toFloat(x)
				toFloat(y)
			} else {
				check.convertUntyped(x, Typ[Float64])

	for i, t := range list {
		var s string
		switch {
		case t == nil:
			fallthrough // should not happen but be cautious
		case !isValid(t):
			s = "unknown type"
		case isUntyped(t):
			if isNumeric(t) {
				// Do not imply a specific type requirement:
				// "have number, want float64" is better than
				// "have untyped int, want float64" or
				// "have int, want float64".
				s = "number"
			} else {