feat(string): Make camelCase and other functions to support emojis

docs/ja/reference/string/camelCase.md

@@ -27,4 +27,5 @@ camelCase('camelCase'); // 'camelCase' を返します
 camelCase('some whitespace'); // 'someWhitespace' を返します
 camelCase('hyphen-text'); // 'hyphenText' を返します
 camelCase('HTTPRequest'); // 'httpRequest' を返します
+camelCase('Keep unicode 😅') // 'keepUnicode😅' を返します
 ```

docs/ko/reference/string/camelCase.md

@@ -27,4 +27,5 @@ camelCase('camelCase'); // returns 'camelCase'
 camelCase('some whitespace'); // returns 'someWhitespace'
 camelCase('hyphen-text'); // returns 'hyphenText'
 camelCase('HTTPRequest'); // returns 'httpRequest'
+camelCase('Keep unicode 😅') // returns 'keepUnicode😅'
 ```

docs/reference/string/camelCase.md

@@ -27,4 +27,5 @@ camelCase('camelCase'); // returns 'camelCase'
 camelCase('some whitespace'); // returns 'someWhitespace'
 camelCase('hyphen-text'); // returns 'hyphenText'
 camelCase('HTTPRequest'); // returns 'httpRequest'
+camelCase('Keep unicode 😅') // returns 'keepUnicode😅'
 ```

docs/zh_hans/reference/string/camelCase.md

@@ -27,4 +27,5 @@ camelCase('camelCase'); // 返回 'camelCase'
 camelCase('some whitespace'); // 返回 'someWhitespace'
 camelCase('hyphen-text'); // 返回 'hyphenText'
 camelCase('HTTPRequest'); // 返回 'httpRequest'
+camelCase('Keep unicode 😅') // 返回 'keepUnicode😅'
 ```

src/string/_internal/getWords.spec.ts

@@ -63,4 +63,8 @@ describe('caseSplitPattern', () => {
   it('should work with numbers', () => {
     expect(getWords('foo2bar')).toEqual(['foo', '2', 'bar']);
   });
+
+  it('should match emojis', () => {
+    expect(getWords('camelCaseHTTPRequest🚀')).toEqual(['camel', 'Case', 'HTTP', 'Request', '🚀']);
+  });
 });

src/string/_internal/getWords.ts

@@ -1,20 +1,22 @@
 /**
  * Regular expression pattern to split strings into words for various case conversions
  *
- * This pattern matches sequences of characters in a string, considering the following case:
+ * This pattern matches sequences of characters in a string, considering the following cases:
  * - Sequences of two or more uppercase letters followed by an uppercase letter and lowercase letters or digits (for acronyms)
  * - Sequences of one uppercase letter optionally followed by lowercase letters and digits
  * - Single uppercase letters
- * - Sequences of digis
+ * - Sequences of digits
+ * - Emojis and other Unicode characters
  *
  * The resulting match can be used to convert camelCase, snake_case, kebab-case, and other mixed formats into
- * a consistent format like snake case.
+ * a consistent format like snake case. It also supports emojis and other Unicode characters.
  *
  * @example
- * const matches = 'camelCaseHTTPRequest'.match(CASE_SPLIT_PATTERN);
- * // matches: ['camel', 'Case', 'HTTP', 'Request']
+ * const matches = 'camelCaseHTTPRequest🚀'.match(CASE_SPLIT_PATTERN);
+ * // matches: ['camel', 'Case', 'HTTP', 'Request', '🚀']
  */
-const CASE_SPLIT_PATTERN = /[A-Z]?[a-z]+|[0-9]+|[A-Z]+(?![a-z])/g;
+const CASE_SPLIT_PATTERN =
+  /[A-Z]?[a-z]+|[0-9]+|[A-Z]+(?![a-z])|\p{Emoji_Presentation}|\p{Extended_Pictographic}|\p{L}+/gu;
 
 export function getWords(str: string): string[] {
   return Array.from(str.match(CASE_SPLIT_PATTERN) ?? []);

src/string/camelCase.spec.ts

@@ -33,4 +33,8 @@ describe('camelCase', () => {
   it('should work with screaming camel case', () => {
     expect(camelCase('FOO_BAR')).toEqual('fooBar');
   });
+
+  it('should support emojis', () => {
+    expect(camelCase('Keep unicode 😅')).toEqual('keepUnicode😅');
+  });
 });

src/string/camelCase.ts

@@ -15,8 +15,8 @@ import { getWords } from './_internal/getWords.ts';
  * const convertedStr2 = camelCase('some whitespace') // returns 'someWhitespace'
  * const convertedStr3 = camelCase('hyphen-text') // returns 'hyphenText'
  * const convertedStr4 = camelCase('HTTPRequest') // returns 'httpRequest'
+ * const convertedStr5 = camelCase('Keep unicode 😅') // returns 'keepUnicode😅'
  */
-
 export function camelCase(str: string): string {
   const words = getWords(str);