validator

package
v0.0.0-...-d95efe7 Latest Latest
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Published: Nov 16, 2025 License: MIT Imports: 3 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	EmailRX = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
)

EmailRX taken from https://html.spec.whatwg.org/#valid-e-mail-address.

Functions

func Matches

func Matches(value string, rx *regexp.Regexp) bool

Matches returns true if a string value matches a specific regexp pattern.

func NotEmptyOrWhitespace

func NotEmptyOrWhitespace(value string) bool

NotEmptyOrWhitespace returns true if a string is empty or contains only whitespace characters.

func PermittedValue

func PermittedValue[T comparable](value T, permittedValues ...T) bool

PermittedValue returns true if a specific value is in a list of permitted values.

func Unique

func Unique[T comparable](values []T) bool

Unique returns true if all values in a slice are unique.

Types

type Validator

type Validator struct {
	Errors []string
}

Validator contains a map of validation errors.

func New

func New() *Validator

New is a helper which creates a new Validator instance with an empty errors list.

func (*Validator) AddError

func (v *Validator) AddError(message string)

AddError adds an error message to the errors list

func (*Validator) Check

func (v *Validator) Check(ok bool, message string)

Check adds an error message to the list only if a validation check is not 'ok'.

func (*Validator) Valid

func (v *Validator) Valid() bool

Valid returns true if the errors list doesn't contain any entries.

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