validate

func Alpha(s string) (string, error)

func Alphanumeric(s string) (string, error)

func CompilePattern(pattern string) (*regexp.Regexp, error)

func Contains(s string, substr string) (string, error)

func Email(s string) (string, error)

func EndsWith(s string, suffix string) (string, error)

func InRange(n int, min int, max int) (int, error)

func InRangeFloat(n float64, min float64, max float64) (float64, error)

func Length(s string, n int) (string, error)

func LengthBetween(s string, min int, max int) (string, error)

func ListMaxLength(items []any, n int) ([]any, error)

func ListMinLength(items []any, n int) ([]any, error)

func Matches(s string, pattern string) (string, error)

func MatchesCompiled(s string, r *regexp.Regexp) (string, error)

func Max(n int, max int) (int, error)

func MaxLength(s string, n int) (string, error)

func Min(n int, min int) (int, error)

func MinLength(s string, n int) (string, error)

func Negative(n int) (int, error)

func NoHTML(s string) (string, error)

func NoNullBytes(s string) (string, error)

func NoWhitespace(s string) (string, error)

func NonNegative(n int) (int, error)

func NonZero(n int) (int, error)

func NotEmpty(s string) (string, error)

func NotEmptyList(items []any) ([]any, error)

func Numeric(s string) (string, error)

func OneOf(s string, allowed ...string) (string, error)

func ParseBool(s string) (bool, error)

func ParseFloat(s string) (float64, error)

func ParseInt(s string) (int, error)

func ParsePositiveInt(s string) (int, error)

func Positive(n int) (int, error)

func PositiveFloat(n float64) (float64, error)

func Require(s string, fieldName string) (string, error)

func SafeFilename(s string) (string, error)

func StartsWith(s string, prefix string) (string, error)

func URL(s string) (string, error)

func WithMessage(value string, err error, message string) (string, error)