feat: base58 support

README.md

@@ -147,6 +147,7 @@ Baked-in Validations
 ### Format:
 | Tag | Description |
 | - | - |
+| base58 | Base58 String |
 | base64 | Base64 String |
 | base64url | Base64URL String |
 | bic | Business Identifier Code (ISO 9362) |

baked_in.go

@@ -124,6 +124,7 @@ var (
 		"uri":                           isURI,
 		"urn_rfc2141":                   isUrnRFC2141, // RFC 2141
 		"file":                          isFile,
+		"base58":                        isBase58,
 		"base64":                        isBase64,
 		"base64url":                     isBase64URL,
 		"contains":                      contains,
@@ -1301,6 +1302,11 @@ func isPostcodeByIso3166Alpha2Field(fl FieldLevel) bool {
 	return reg.MatchString(field.String())
 }
 
+// isBase58 is the validation function for validating if the current field's value is a valid base 58.
+func isBase58(fl FieldLevel) bool {
+	return base58Regex.MatchString(fl.Field().String())
+}
+
 // isBase64 is the validation function for validating if the current field's value is a valid base 64.
 func isBase64(fl FieldLevel) bool {
 	return base64Regex.MatchString(fl.Field().String())

doc.go

@@ -895,6 +895,15 @@ according to the RFC 2141 spec.
 
 	Usage: urn_rfc2141
 
+Base58 String
+
+This validates that a string value contains a valid base58 value.
+Although an empty string is valid base58 this will report an empty string
+as an error, if you wish to accept an empty string as valid you can use
+this with the omitempty tag.
+
+	Usage: base58
+
 Base64 String
 
 This validates that a string value contains a valid base64 value.

regexes.go

@@ -17,6 +17,7 @@ const (
 	hslaRegexString                  = "^hsla\\(\\s*(?:0|[1-9]\\d?|[12]\\d\\d|3[0-5]\\d|360)\\s*,\\s*(?:(?:0|[1-9]\\d?|100)%)\\s*,\\s*(?:(?:0|[1-9]\\d?|100)%)\\s*,\\s*(?:(?:0.[1-9]*)|[01])\\s*\\)$"
 	emailRegexString                 = "^(?:(?:(?:(?:[a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+(?:\\.([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+)*)|(?:(?:\\x22)(?:(?:(?:(?:\\x20|\\x09)*(?:\\x0d\\x0a))?(?:\\x20|\\x09)+)?(?:(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(?:(?:[\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}]))))*(?:(?:(?:\\x20|\\x09)*(?:\\x0d\\x0a))?(\\x20|\\x09)+)?(?:\\x22))))@(?:(?:(?:[a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(?:(?:[a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])(?:[a-zA-Z]|\\d|-|\\.|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*(?:[a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.)+(?:(?:[a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(?:(?:[a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])(?:[a-zA-Z]|\\d|-|\\.|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*(?:[a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.?$"
 	e164RegexString                  = "^\\+[1-9]?[0-9]{7,14}$"
+	base58RegexString                = "^[A-HJ-NP-Za-km-z1-9]+$"
 	base64RegexString                = "^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$"
 	base64URLRegexString             = "^(?:[A-Za-z0-9-_]{4})*(?:[A-Za-z0-9-_]{2}==|[A-Za-z0-9-_]{3}=|[A-Za-z0-9-_]{4})$"
 	iSBN10RegexString                = "^(?:[0-9]{9}X|[0-9]{10})$"
@@ -81,6 +82,7 @@ var (
 	hslaRegex                  = regexp.MustCompile(hslaRegexString)
 	e164Regex                  = regexp.MustCompile(e164RegexString)
 	emailRegex                 = regexp.MustCompile(emailRegexString)
+	base58Regex                = regexp.MustCompile(base58RegexString)
 	base64Regex                = regexp.MustCompile(base64RegexString)
 	base64URLRegex             = regexp.MustCompile(base64URLRegexString)
 	iSBN10Regex                = regexp.MustCompile(iSBN10RegexString)

translations/en/en.go

@@ -1356,6 +1356,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 			translation: "{0} must be a valid boolean value",
 			override:    false,
 		},
+		{
+			tag:         "base58",
+			translation: "{0} must be a valid Base58 string",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/en/en_test.go

@@ -152,6 +152,7 @@ func TestTranslations(t *testing.T) {
 		PostCodeCountry   string
 		PostCodeByField   string `validate:"postcode_iso3166_alpha2_field=PostCodeCountry"`
 		BooleanString     string `validate:"boolean"`
+		Base58            string `validate:"base58"`
 	}
 
 	var test Test
@@ -208,6 +209,8 @@ func TestTranslations(t *testing.T) {
 
 	test.Inner.RequiredIf = "abcd"
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -690,6 +693,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.BooleanString",
 			expected: "BooleanString must be a valid boolean value",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 must be a valid Base58 string",
+		},
 	}
 
 	for _, tt := range tests {

translations/es/es.go

@@ -1326,6 +1326,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return s
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0} debe ser una cadena de Base58 válida",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/es/es_test.go

@@ -142,6 +142,7 @@ func TestTranslations(t *testing.T) {
 		UniqueSlice       []string          `validate:"unique"`
 		UniqueArray       [3]string         `validate:"unique"`
 		UniqueMap         map[string]string `validate:"unique"`
+		Base58            string            `validate:"base58"`
 	}
 
 	var test Test
@@ -191,6 +192,8 @@ func TestTranslations(t *testing.T) {
 	test.UniqueSlice = []string{"1234", "1234"}
 	test.UniqueMap = map[string]string{"key1": "1234", "key2": "1234"}
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -637,6 +640,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.UniqueMap",
 			expected: "UniqueMap debe contener valores únicos",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 debe ser una cadena de Base58 válida",
+		},
 	}
 
 	for _, tt := range tests {

translations/fa/fa.go

@@ -1341,6 +1341,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return t
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0} باید یک متن درمبنای58 معتبر باشد",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/fa/fa_test.go

@@ -148,6 +148,7 @@ func TestTranslations(t *testing.T) {
 		PostCode          string            `validate:"postcode_iso3166_alpha2=SG"`
 		PostCodeCountry   string
 		PostCodeByField   string `validate:"postcode_iso3166_alpha2_field=PostCodeCountry"`
+		Base58            string `validate:"base58"`
 	}
 
 	var test Test
@@ -201,6 +202,8 @@ func TestTranslations(t *testing.T) {
 	test.UniqueMap = map[string]string{"key1": "1234", "key2": "1234"}
 	test.Datetime = "2008-Feb-01"
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -671,6 +674,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.PostCodeByField",
 			expected: "PostCodeByField یک کدپستی معتبر کشور فیلد PostCodeCountry نیست",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 باید یک متن درمبنای58 معتبر باشد",
+		},
 	}
 
 	for _, tt := range tests {

translations/fr/fr.go

@@ -1316,6 +1316,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return s
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0} doit être une chaîne de caractères au format Base58 valide",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/fr/fr_test.go

@@ -139,6 +139,7 @@ func TestTranslations(t *testing.T) {
 		StrPtrGte         *string   `validate:"gte=10"`
 		OneOfString       string    `validate:"oneof=red green"`
 		OneOfInt          int       `validate:"oneof=5 63"`
+		Base58            string    `validate:"base58"`
 	}
 
 	var test Test
@@ -185,6 +186,8 @@ func TestTranslations(t *testing.T) {
 	test.StrPtrMaxLen = &s
 	test.StrPtrLen = &s
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -619,6 +622,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.OneOfInt",
 			expected: "OneOfInt doit être l'un des choix suivants [5 63]",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 doit être une chaîne de caractères au format Base58 valide",
+		},
 	}
 
 	for _, tt := range tests {

translations/id/id.go

@@ -1316,6 +1316,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return s
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0} harus berupa string Base58 yang valid",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/id/id_test.go

@@ -139,6 +139,7 @@ func TestTranslations(t *testing.T) {
 		StrPtrGte         *string   `validate:"gte=10"`
 		OneOfString       string    `validate:"oneof=merah hijau"`
 		OneOfInt          int       `validate:"oneof=5 63"`
+		Base58            string    `validate:"base58"`
 	}
 
 	var test Test
@@ -185,6 +186,8 @@ func TestTranslations(t *testing.T) {
 	test.StrPtrMaxLen = &s
 	test.StrPtrLen = &s
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -619,6 +622,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.OneOfInt",
 			expected: "OneOfInt harus berupa salah satu dari [5 63]",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 harus berupa string Base58 yang valid",
+		},
 	}
 
 	for _, tt := range tests {

translations/it/it.go

@@ -1205,6 +1205,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 			override:        false,
 			customTransFunc: customTransFuncV1,
 		},
+		{
+			tag:         "base58",
+			translation: "{0} deve essere una stringa Base58 valida",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/it/it_test.go

@@ -154,6 +154,7 @@ func TestTranslations(t *testing.T) {
 		PostCode            string            `validate:"postcode_iso3166_alpha2=SG"`
 		PostCodeCountry     string
 		PostCodeByField     string `validate:"postcode_iso3166_alpha2_field=PostCodeCountry"`
+		Base58              string `validate:"base58"`
 	}
 
 	var test Test
@@ -212,6 +213,8 @@ func TestTranslations(t *testing.T) {
 	test.UniqueMap = map[string]string{"key1": "1234", "key2": "1234"}
 	test.Datetime = "2008-Feb-01"
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -706,6 +709,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.PostCodeByField",
 			expected: "PostCodeByField non corrisponde al formato del codice postale dello stato nel campo PostCodeCountry",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 deve essere una stringa Base58 valida",
+		},
 	}
 
 	for _, tt := range tests {

translations/ja/ja.go

@@ -1372,6 +1372,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return s
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0}は正しいBase58文字列でなければなりません",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/ja/ja_test.go

@@ -139,6 +139,7 @@ func TestTranslations(t *testing.T) {
 		StrPtrGte         *string   `validate:"gte=10"`
 		OneOfString       string    `validate:"oneof=red green"`
 		OneOfInt          int       `validate:"oneof=5 63"`
+		Base58            string    `validate:"base58"`
 	}
 
 	var test Test
@@ -185,6 +186,8 @@ func TestTranslations(t *testing.T) {
 	test.StrPtrMaxLen = &s
 	test.StrPtrLen = &s
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -619,6 +622,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.OneOfInt",
 			expected: "OneOfIntは[5 63]のうちのいずれかでなければなりません",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58は正しいBase58文字列でなければなりません",
+		},
 	}
 
 	for _, tt := range tests {

translations/nl/nl.go

@@ -1316,6 +1316,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return s
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0} moet een geldige Base58 string zijn",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/nl/nl_test.go

@@ -139,6 +139,7 @@ func TestTranslations(t *testing.T) {
 		StrPtrGte         *string   `validate:"gte=10"`
 		OneOfString       string    `validate:"oneof=red green"`
 		OneOfInt          int       `validate:"oneof=5 63"`
+		Base58            string    `validate:"base58"`
 	}
 
 	var test Test
@@ -185,6 +186,8 @@ func TestTranslations(t *testing.T) {
 	test.StrPtrMaxLen = &s
 	test.StrPtrLen = &s
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -619,6 +622,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.OneOfInt",
 			expected: "OneOfInt moet een van de volgende zijn [5 63]",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 moet een geldige Base58 string zijn",
+		},
 	}
 
 	for _, tt := range tests {

translations/pt/pt.go

@@ -1356,6 +1356,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return t
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0} deve ser uma string Base58 válida",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/pt/pt_test.go

@@ -147,6 +147,7 @@ func TestTranslations(t *testing.T) {
 		LowercaseString   string            `validate:"lowercase"`
 		UppercaseString   string            `validate:"uppercase"`
 		Datetime          string            `validate:"datetime=2006-01-02"`
+		Base58            string            `validate:"base58"`
 	}
 
 	var test Test
@@ -200,6 +201,8 @@ func TestTranslations(t *testing.T) {
 	test.UniqueMap = map[string]string{"key1": "1234", "key2": "1234"}
 	test.Datetime = "2008-Feb-01"
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -662,6 +665,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.Datetime",
 			expected: "Datetime não está no formato 2006-01-02",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 deve ser uma string Base58 válida",
+		},
 	}
 
 	for _, tt := range tests {

translations/pt_BR/pt_BR.go

@@ -1321,6 +1321,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 			translation: "{0} deve ser um valor booleano válido",
 			override:    false,
 		},
+		{
+			tag:         "base58",
+			translation: "{0} deve ser uma string Base58 válida",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/pt_BR/pt_BR_test.go

@@ -140,6 +140,7 @@ func TestTranslations(t *testing.T) {
 		OneOfString       string    `validate:"oneof=red green"`
 		OneOfInt          int       `validate:"oneof=5 63"`
 		BooleanString     string    `validate:"boolean"`
+		Base58            string    `validate:"base58"`
 	}
 
 	var test Test
@@ -187,6 +188,8 @@ func TestTranslations(t *testing.T) {
 	test.StrPtrMaxLen = &s
 	test.StrPtrLen = &s
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -625,6 +628,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.BooleanString",
 			expected: "BooleanString deve ser um valor booleano válido",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 deve ser uma string Base58 válida",
+		},
 	}
 
 	for _, tt := range tests {

translations/tr/tr.go

@@ -1321,6 +1321,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return s
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0} geçerli bir Base58 karakter dizesi olmalıdır",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/tr/tr_test.go

@@ -142,6 +142,7 @@ func TestTranslations(t *testing.T) {
 		UniqueSlice       []string          `validate:"unique"`
 		UniqueArray       [3]string         `validate:"unique"`
 		UniqueMap         map[string]string `validate:"unique"`
+		Base58            string            `validate:"base58"`
 	}
 
 	var test Test
@@ -191,6 +192,8 @@ func TestTranslations(t *testing.T) {
 	test.UniqueSlice = []string{"1234", "1234"}
 	test.UniqueMap = map[string]string{"key1": "1234", "key2": "1234"}
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -637,6 +640,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.UniqueMap",
 			expected: "UniqueMap benzersiz değerler içermelidir",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 geçerli bir Base58 karakter dizesi olmalıdır",
+		},
 	}
 
 	for _, tt := range tests {

translations/vi/vi.go

@@ -1341,6 +1341,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return t
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0} phải là giá trị chuỗi Base58",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/vi/vi_test.go

@@ -148,6 +148,7 @@ func TestTranslations(t *testing.T) {
 		PostCode          string            `validate:"postcode_iso3166_alpha2=SG"`
 		PostCodeCountry   string
 		PostCodeByField   string `validate:"postcode_iso3166_alpha2_field=PostCodeCountry"`
+		Base58            string `validate:"base58"`
 	}
 
 	var test Test
@@ -201,6 +202,8 @@ func TestTranslations(t *testing.T) {
 	test.UniqueMap = map[string]string{"key1": "1234", "key2": "1234"}
 	test.Datetime = "2008-Feb-01"
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -671,6 +674,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.PostCodeByField",
 			expected: "PostCodeByField sai định dạng postcode của quốc gia tương ứng thuộc trường PostCodeCountry",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58 phải là giá trị chuỗi Base58",
+		},
 	}
 
 	for _, tt := range tests {

translations/zh/zh.go

@@ -1428,6 +1428,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return t
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0}必须是一个有效的Base58字符串",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/zh/zh_test.go

@@ -148,6 +148,7 @@ func TestTranslations(t *testing.T) {
 		LowercaseString       string    `validate:"lowercase"`
 		UppercaseString       string    `validate:"uppercase"`
 		Datetime              string    `validate:"datetime=2006-01-02"`
+		Base58                string    `validate:"base58"`
 	}
 
 	var test Test
@@ -206,6 +207,8 @@ func TestTranslations(t *testing.T) {
 
 	test.Datetime = "20060102"
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -676,6 +679,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.Datetime",
 			expected: "Datetime的格式必须是2006-01-02",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58必须是一个有效的Base58字符串",
+		},
 	}
 
 	for _, tt := range tests {

translations/zh_tw/zh_tw.go

@@ -1324,6 +1324,11 @@ func RegisterDefaultTranslations(v *validator.Validate, trans ut.Translator) (er
 				return t
 			},
 		},
+		{
+			tag:         "base58",
+			translation: "{0}必須是一個有效的Base58字元串",
+			override:    false,
+		},
 	}
 
 	for _, t := range translations {

translations/zh_tw/zh_tw_test.go

@@ -140,6 +140,7 @@ func TestTranslations(t *testing.T) {
 		OneOfString       string    `validate:"oneof=red green"`
 		OneOfInt          int       `validate:"oneof=5 63"`
 		Datetime          string    `validate:"datetime=2006-01-02"`
+		Base58            string    `validate:"base58"`
 	}
 
 	var test Test
@@ -188,6 +189,8 @@ func TestTranslations(t *testing.T) {
 
 	test.Datetime = "2008-Feb-01"
 
+	test.Base58 = "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI"
+
 	err = validate.Struct(test)
 	NotEqual(t, err, nil)
 
@@ -626,6 +629,10 @@ func TestTranslations(t *testing.T) {
 			ns:       "Test.Datetime",
 			expected: "Datetime與2006-01-02格式不匹配",
 		},
+		{
+			ns:       "Test.Base58",
+			expected: "Base58必須是一個有效的Base58字元串",
+		},
 	}
 
 	for _, tt := range tests {

validator_test.go

@@ -12286,3 +12286,40 @@ func TestMultiOrOperatorGroup(t *testing.T) {
 		}
 	}
 }
+
+func TestBase58Validation(t *testing.T) {
+	tests := []struct {
+		Value    string `validate:"base58"`
+		Expected bool
+	}{
+		{"kpDDATsPB4AR2WmSDUiNuUz8Y9VFqN3WrDqyZTeC3hL", true},
+		{"", false},
+		{Value: "2TdKEvPTKpDtJo6pwxd79atZFQNWiSUT2T47nF9j5qFI", Expected: false},
+	}
+
+	validate := New()
+
+	for i, test := range tests {
+		errs := validate.Var(test.Value, "base58")
+		if test.Expected {
+			if !IsEqual(errs, nil) {
+				t.Fatalf("Index: %d Var() failed Error: %s", i, errs)
+			}
+		} else {
+			if IsEqual(errs, nil) {
+				t.Fatalf("Index: %d Var() failed Error: %s", i, errs)
+			} else {
+				val := getError(errs, "", "")
+				if val.Tag() != "base58" {
+					t.Fatalf("Index: %d Var() failed Error: %s", i, errs)
+				}
+			}
+		}
+	}
+	for i, test := range tests {
+		errs := validate.Struct(test)
+		if (test.Expected && errs != nil) || (!test.Expected && errs == nil) {
+			t.Fatalf("Index: %d Struct() failed Error: %s", i, errs)
+		}
+	}
+}