fix: linkedin regex acceptance (#3330)

Author: Wtkane

__tests__/common/object.ts

@@ -0,0 +1,32 @@
+import { socialHandleRegex, handleRegex } from '../../src/common/object';
+
+describe('Unicode regex patterns', () => {
+  it('socialHandleRegex supports Unicode with optional @ prefix', () => {
+    // Valid Unicode handles
+    expect(socialHandleRegex.test('@José')).toBe(true);
+    expect(socialHandleRegex.test('François-dev')).toBe(true);
+    expect(socialHandleRegex.test('北京')).toBe(true);
+    expect(socialHandleRegex.test('user_123')).toBe(true);
+    expect(socialHandleRegex.test('@' + 'a'.repeat(39))).toBe(true);
+
+    // Invalid handles
+    expect(socialHandleRegex.test('')).toBe(false);
+    expect(socialHandleRegex.test('a'.repeat(40))).toBe(false);
+    expect(socialHandleRegex.test('has space')).toBe(false);
+    expect(socialHandleRegex.test('bad!char')).toBe(false);
+  });
+
+  it('handleRegex supports Unicode without hyphens', () => {
+    // Valid handles (3-39 chars, no hyphens)
+    expect(handleRegex.test('abc')).toBe(true);
+    expect(handleRegex.test('@user_name')).toBe(true);
+    expect(handleRegex.test('Jöhn123')).toBe(true);
+    expect(handleRegex.test('@' + 'a'.repeat(39))).toBe(true);
+
+    // Invalid handles
+    expect(handleRegex.test('ab')).toBe(false); // too short
+    expect(handleRegex.test('François-dev')).toBe(false); // has hyphen
+    expect(handleRegex.test('bad handle')).toBe(false); // has space
+    expect(handleRegex.test('a'.repeat(40))).toBe(false); // too long
+  });
+});

src/common/object.ts

@@ -51,10 +51,11 @@ export const validateRegex = <T extends ObjectLiteral>(
 
   return mutatedData as T;
 };
-
 export const nameRegex = new RegExp(/^(.){1,60}$/);
-export const socialHandleRegex = new RegExp(/^@?([\w-]){1,39}$/i);
-export const handleRegex = new RegExp(/^@?[a-z0-9](\w){2,38}$/i);
+// Updated to support Unicode word characters (including accented characters)
+export const socialHandleRegex = new RegExp(/^@?([\p{L}\p{N}_-]){1,39}$/iu);
+// Updated to support Unicode word characters (including accented characters)
+export const handleRegex = new RegExp(/^@?[\p{L}\p{N}]([\p{L}\p{N}_]){2,38}$/iu);
 export const descriptionRegex = new RegExp(/^[\S\s]{1,250}$/);
 // Originated from: https://github.com/colinhacks/zod/blob/8552233c77426f77d3586cc877f7aec1aa0aa45b/src/types.ts#L599-L600
 export const emailRegex = new RegExp(