❌Password must be 8 to 15 characters long.
❌Must include at least one digit (0-9).
❌Must include at least one lowercase letter (a-z).
❌Must include at least one uppercase letter (A-Z).
❌Must not contain any whitespace.
❌No character can appear more than twice total (e.g., a, 1, etc., max 2 times each).
