set unicode flag to allow non-ASCII charcters

Author: Anas35

lib/super_string.dart

@@ -33,7 +33,7 @@ extension SuperString on String {
  /// print('This@123'.isAlNum); // false
  /// ```
  ///
- bool get isAlNum => RegExp(r"^[a-zA-Z0-9]+$").hasMatch(this);
+ bool get isAlNum => RegExp(r"^[\p{L}\p{N}]+$", unicode: true).hasMatch(this);
 
  /// Return `true` if all the characters are alphabets letter (a-z).
  ///
@@ -45,7 +45,7 @@ extension SuperString on String {
  /// print('This@123'.isAlpha); // false
  /// ```
  ///
- bool get isAlpha => RegExp(r"^[a-zA-Z]+$").hasMatch(this);
+ bool get isAlpha => RegExp(r"^\p{L}+$", unicode: true).hasMatch(this);
 
  /// Return `true` if all the characters are [int] (0-9).
  ///
@@ -57,7 +57,7 @@ extension SuperString on String {
  /// print('This@123'.isAlNum); // false
  /// ```
  ///
- bool get isInteger => RegExp(r"^[0-9]+$").hasMatch(this);
+ bool get isInteger => RegExp(r"^\p{N}+$", unicode: true).hasMatch(this);
 
  /// Return `true` if the string contains only alphanumeric letters (a-z) , (0-9) and
  /// underscores (_).
@@ -75,7 +75,8 @@ extension SuperString on String {
  /// ```
  ///
  bool get isIdentifier =>
- RegExp(r"^[_a-zA-Z0-9]+$").hasMatch(this) && !this[0].isInteger;
+ RegExp(r"^[\p{L}\p{N}_]+$", unicode: true).hasMatch(this) &&
+ !this[0].isInteger;
 
  /// Return a `String` where first character of every words is converted to upperCase.
  ///

test/super_string_test.dart

@@ -14,8 +14,12 @@ void main() {
  const String upperCaseSentence = 'THIS SENTENCE CONTAIN MULTIPLY WORDS';
  const String multiCaseSentence = 'This Sentence contain Multiply words';
  const String identifier = 'hello_123';
+ const String identifier2 = '_hello123';
  const String camel = 'hello world';
  const String tab = 'H\te\tl\tl\to';
+ const String nonASCIICharacter1 = 'こんにちは世界';
+ const String nonASCIICharacter2 = '٩٣';
+ const String nonASCIICharacter3 = 'مرحبا٩٣';
 
  final Matcher throwsAssertionError = throwsA(isA<AssertionError>());
 
@@ -83,6 +87,9 @@ void main() {
 
  /// Expected True when a words conatining Alphabets and numbers is called.
  expect(multiCaseWord.isAlNum, true);
+ expect(nonASCIICharacter1.isAlNum, true);
+ expect(nonASCIICharacter2.isAlNum, true);
+ expect(nonASCIICharacter3.isAlNum, true);
  expect(multiCaseWordWithNumber.isAlNum, true);
 
  /// Expected False when a senetence is called.
@@ -98,6 +105,9 @@ void main() {
 
  /// Expected True when a words conatining only Alphabets called.
  expect(multiCaseWord.isAlpha, true);
+ expect(nonASCIICharacter3.isAlpha, false);
+ expect(nonASCIICharacter2.isAlpha, false);
+ expect(nonASCIICharacter1.isAlpha, true);
 
  /// Expected False when a words conatining both Alphabets and Number called.
  expect(multiCaseWordWithNumber.isAlpha, false);
@@ -127,6 +137,11 @@ void main() {
 
  /// Expected False when a special character is called.
  expect(specialCharacter.isInteger, false);
+
+ /// Expected True when other language's number is called.
+ expect(nonASCIICharacter2.isInteger, true);
+ expect(nonASCIICharacter3.isInteger, false);
+ expect(nonASCIICharacter1.isInteger, false);
  });
 
  test('isIdentifier', () async {
@@ -136,12 +151,15 @@ void main() {
  /// Expected False when a number is called. Since Indentifier should
  /// not start with numbers.
  expect(number.isIdentifier, false);
+ expect(nonASCIICharacter2.isIdentifier, false);
 
  /// Expected True when a words conatining only Alphabets called.
  expect(multiCaseWord.isIdentifier, true);
+ expect(nonASCIICharacter1.isIdentifier, true);
 
  /// Expected True when a words conatining both Alphabets and Number called.
  expect(multiCaseWordWithNumber.isIdentifier, true);
+ expect(nonASCIICharacter3.isIdentifier, true);
 
  /// Expected False when a senetence is called.
  expect(multiCaseSentence.isIdentifier, false);
@@ -154,6 +172,7 @@ void main() {
 
  /// Expected True when a word containing `_` is called.
  expect(identifier.isIdentifier, true);
+ expect(identifier2.isIdentifier, true);
  });
 
  test('title', () {