sbdd

 username: [
        '',
        [Validators.required, Validators.pattern(/^[a-zA-Z0-9_.-]*$/)]
      ],

      name: [
              '',
        [Validators.required, Validators.pattern(/^[a-zA-Z0-9_.-]*$/)]
      ],
      surname: [
        '',
        [Validators.required, Validators.pattern(/^[a-zA-Z0-9_.-]*$/)]
      ],
      pesel: [
        '',
        [Validators.required, Validators.minLength(9), Validators.maxLength(9)]
      ],
      password: [
        '',
        [Validators.required, Validators.pattern(/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[.@$!%*?&])[A-Za-z\d@.$!%*?&]{6,20}$/)]
      ],