jessonchan/govalidator

Package of string validators and sanitizers for Go lang.

govalidator

A package of string validators and sanitizers for Go lang. Based on validator.js.

Installation

Make sure that Go is installed on your computer. Type the following command in your terminal:

go get github.com/asaskevich/govalidator

After it the package is ready to use.

List of functions:

func BlackList(str, chars string) string
func CamelCaseToUnderscore(str string) string
func Contains(str, substring string) bool
func Escape(str string) string
func GetLine(s string, index int) (string, error)
func GetLines(s string) []string
func IsASCII(str string) bool
func IsAlpha(str string) bool
func IsAlphanumeric(str string) bool
func IsBase64(str string) bool
func IsByteLength(str string, min, max int) bool
func IsCreditCard(str string) bool
func IsDivisibleBy(str, num string) bool
func IsEmail(str string) bool
func IsFloat(str string) bool
func IsFullWidth(str string) bool
func IsHalfWidth(str string) bool
func IsHexadecimal(str string) bool
func IsHexcolor(str string) bool
func IsIP(str string, version int) bool
func IsISBN(str string, version int) bool
func IsInt(str string) bool
func IsJSON(str string) bool
func IsLowerCase(str string) bool
func IsMAC(str string) bool
func IsMultibyte(str string) bool
func IsNull(str string) bool
func IsNumeric(str string) bool
func IsURL(str string) bool
func IsUUID(str string, version int) bool
func IsUpperCase(str string) bool
func IsVariableWidth(str string) bool
func LeftTrim(str, chars string) string
func Matches(str, pattern string) bool
func RemoveTags(s string) string
func ReplacePattern(str, pattern, replace string) string
func Reverse(s string) string
func RightTrim(str, chars string) string
func SafeFileName(str string) string
func StripLow(str string, keepNewLines bool) string
func ToBoolean(str string) (bool, error)
func ToFloat(str string) (float64, error)
func ToInt(str string) (int64, error)
func ToString(obj interface{}) (string, error)
func Trim(str, chars string) string
func UnderscoreToCamelCase(s string) string
func ValidateStruct(s interface{}) bool
func WhiteList(str, chars string) string

Examples

IsURL

println(govalidator.IsURL(`http://user@pass:domain.com/path/page`))

ToString

type User struct {
	FirstName string
	LastName string
}

str,_ := govalidator.ToString(&User{"John", "Juan"})
println(str)

ValidateStruct

type Post struct {
    Title    string `^[a-zA-Z0-9]{10,50}$`
    Message  string
    AuthorIP string `^(\d?\d?\d)\.(\d?\d?\d)\.(\d?\d?\d)\.(\d?\d?\d)$"`
}
post := &Post{"My Post about Examples", "Some text", "123.234.54.3"}
println(govalidator.ValidateStruct(post) == true)

WhiteList

// Remove all characters from string ignoring characters between "a" and "z"
println(govalidator.WhiteList("a3a43a5a4a3a2a23a4a5a4a3a4", "a-z") == "aaaaaaaaaaaa")

Notes

Documentation is available here: godoc.org. Full information about code coverage is also available here: govalidator on gocover.io.

Support

If you do have a contribution for the package feel free to put up a Pull Request or open Issue.