solution for the password/confirm password matching.

angular2-password-matching.md

solution for the password/confirm password matching:

matchingPasswords(passwordKey: string, passwordConfirmationKey: string) {
    return (group: FormGroup) => {
      let passwordInput = group.controls[passwordKey];
      let passwordConfirmationInput = group.controls[passwordConfirmationKey];
      if (passwordInput.value !== passwordConfirmationInput.value) {
        return passwordConfirmationInput.setErrors({passwordMismatch: true});
      }
    };
}

this.formBuilder.group({
      ...
      password: [this.initialUserDetail.password],
      confirmPassword: [this.initialUserDetail.confirmPassword],
      ...
    }, { validator: this.matchingPasswords('password', 'confirmPassword') });