Add alphaunicode & aplhanumericunicode

- added unicode variants of alpha & alphanumeric

README.md

@@ -2,7 +2,7 @@ Package validator
 ================
 <img align="right" src="https://raw.githubusercontent.com/go-playground/validator/v9/logo.png">
 [![Join the chat at https://gitter.im/go-playground/validator](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/go-playground/validator?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-![Project status](https://img.shields.io/badge/version-9.2.2-green.svg)
+![Project status](https://img.shields.io/badge/version-9.3.0-green.svg)
 [![Build Status](https://semaphoreci.com/api/v1/joeybloggs/validator/branches/v9/badge.svg)](https://semaphoreci.com/joeybloggs/validator)
 [![Coverage Status](https://coveralls.io/repos/go-playground/validator/badge.svg?branch=v9&service=github)](https://coveralls.io/github/go-playground/validator?branch=v9)
 [![Go Report Card](https://goreportcard.com/badge/github.com/go-playground/validator)](https://goreportcard.com/report/github.com/go-playground/validator)

baked_in.go

@@ -64,6 +64,8 @@ var (
 		"ltfield":         isLtField,
 		"alpha":           isAlpha,
 		"alphanum":        isAlphanum,
+		"alphaunicode":    isAlphaUnicode,
+		"alphanumunicode": isAlphanumUnicode,
 		"numeric":         isNumeric,
 		"number":          isNumber,
 		"hexadecimal":     isHexadecimal,
@@ -879,6 +881,16 @@ func isAlpha(fl FieldLevel) bool {
 	return alphaRegex.MatchString(fl.Field().String())
 }
 
+// IsAlphanumUnicode is the validation function for validating if the current field's value is a valid alphanumeric unicode value.
+func isAlphanumUnicode(fl FieldLevel) bool {
+	return alphaUnicodeNumericRegex.MatchString(fl.Field().String())
+}
+
+// IsAlphaUnicode is the validation function for validating if the current field's value is a valid alpha unicode value.
+func isAlphaUnicode(fl FieldLevel) bool {
+	return alphaUnicodeRegex.MatchString(fl.Field().String())
+}
+
 // HasValue is the validation function for validating if the current field's value is not the default static value.
 func hasValue(fl FieldLevel) bool {
 

doc.go

@@ -463,16 +463,28 @@ to the top level struct.
 
 Alpha Only
 
-This validates that a string value contains alpha characters only
+This validates that a string value contains ASCII alpha characters only
 
 	Usage: alpha
 
 Alphanumeric
 
-This validates that a string value contains alphanumeric characters only
+This validates that a string value contains ASCII alphanumeric characters only
 
 	Usage: alphanum
 
+Alpha Unicode
+
+This validates that a string value contains unicode alpha characters only
+
+	Usage: alphaunicode
+
+Alphanumeric Unicode
+
+This validates that a string value contains unicode alphanumeric characters only
+
+	Usage: alphanumunicode
+
 Numeric
 
 This validates that a string value contains a basic numeric value.

regexes.go

@@ -5,6 +5,8 @@ import "regexp"
 const (
 	alphaRegexString               = "^[a-zA-Z]+$"
 	alphaNumericRegexString        = "^[a-zA-Z0-9]+$"
+	alphaUnicodeRegexString        = "^[\\p{L}]+$"
+	alphaUnicodeNumericRegexString = "^[\\p{L}\\p{N}]+$"
 	numericRegexString             = "^[-+]?[0-9]+(?:\\.[0-9]+)?$"
 	numberRegexString              = "^[0-9]+$"
 	hexadecimalRegexString         = "^[0-9a-fA-F]+$"
@@ -33,6 +35,8 @@ const (
 var (
 	alphaRegex               = regexp.MustCompile(alphaRegexString)
 	alphaNumericRegex        = regexp.MustCompile(alphaNumericRegexString)
+	alphaUnicodeRegex        = regexp.MustCompile(alphaUnicodeRegexString)
+	alphaUnicodeNumericRegex = regexp.MustCompile(alphaUnicodeNumericRegexString)
 	numericRegex             = regexp.MustCompile(numericRegexString)
 	numberRegex              = regexp.MustCompile(numberRegexString)
 	hexadecimalRegex         = regexp.MustCompile(hexadecimalRegexString)

validator_test.go

@@ -5954,6 +5954,11 @@ func TestAlpha(t *testing.T) {
 	NotEqual(t, errs, nil)
 	AssertError(t, errs, "", "", "", "", "alpha")
 
+	s = "this is a test string"
+	errs = validate.Var(s, "alpha")
+	NotEqual(t, errs, nil)
+	AssertError(t, errs, "", "", "", "", "alpha")
+
 	errs = validate.Var(1, "alpha")
 	NotEqual(t, errs, nil)
 	AssertError(t, errs, "", "", "", "", "alpha")
@@ -6824,3 +6829,87 @@ func TestRequiredPtr(t *testing.T) {
 	err = validate.Struct(test4)
 	Equal(t, err, nil)
 }
+
+func TestAlphaUnicodeValidation(t *testing.T) {
+	tests := []struct {
+		param    string
+		expected bool
+	}{
+		{"", false},
+		{"abc", true},
+		{"this is a test string", false},
+		{"这是一个测试字符串", true},
+		{"123", false},
+		{"<>@;.-=", false},
+		{"ひらがな・カタカナ、．漢字", false},
+		{"あいうえおfoobar", true},
+		{"test＠example.com", false},
+		{"1234abcDE", false},
+		{"ｶﾀｶﾅ", true},
+	}
+
+	validate := New()
+
+	for i, test := range tests {
+
+		errs := validate.Var(test.param, "alphaunicode")
+
+		if test.expected {
+			if !IsEqual(errs, nil) {
+				t.Fatalf("Index: %d Alpha Unicode failed Error: %s", i, errs)
+			}
+		} else {
+			if IsEqual(errs, nil) {
+				t.Fatalf("Index: %d Alpha Unicode failed Error: %s", i, errs)
+			} else {
+				val := getError(errs, "", "")
+				if val.Tag() != "alphaunicode" {
+					t.Fatalf("Index: %d Alpha Unicode failed Error: %s", i, errs)
+				}
+			}
+		}
+	}
+}
+
+func TestAlphanumericUnicodeValidation(t *testing.T) {
+
+	tests := []struct {
+		param    string
+		expected bool
+	}{
+		{"", false},
+		{"abc", true},
+		{"this is a test string", false},
+		{"这是一个测试字符串", true},
+		{"\u0031\u0032\u0033", true}, // unicode 5
+		{"123", true},
+		{"<>@;.-=", false},
+		{"ひらがな・カタカナ、．漢字", false},
+		{"あいうえおfoobar", true},
+		{"test＠example.com", false},
+		{"1234abcDE", true},
+		{"ｶﾀｶﾅ", true},
+	}
+
+	validate := New()
+
+	for i, test := range tests {
+
+		errs := validate.Var(test.param, "alphanumunicode")
+
+		if test.expected {
+			if !IsEqual(errs, nil) {
+				t.Fatalf("Index: %d Alphanum Unicode failed Error: %s", i, errs)
+			}
+		} else {
+			if IsEqual(errs, nil) {
+				t.Fatalf("Index: %d Alphanum Unicode failed Error: %s", i, errs)
+			} else {
+				val := getError(errs, "", "")
+				if val.Tag() != "alphanumunicode" {
+					t.Fatalf("Index: %d Alphanum Unicode failed Error: %s", i, errs)
+				}
+			}
+		}
+	}
+}