I need help to confirm email and password

[rapropos]

export class RegisterPage {
  form: FormGroup;

  constructor(fb: FormBuilder) {
    this.form = fb.group({
      'pwd1': ['', Validators.required],
      'pwd2': ['', Validators.required]
    }, {validator: RegisterPage.passwordsMatch});
  }

  static passwordsMatch(cg: FormGroup): {[err: string]: any} {
    let pwd1 = cg.get('pwd1');
    let pwd2 = cg.get('pwd2');
    let rv: {[error: string]: any} = {};
    if ((pwd1.touched || pwd2.touched) && pwd1.value !== pwd2.value) {
      rv['passwordMismatch'] = true;
    }
    return rv;
  }
}