E-mail Validator

Validator for e-mail id
{[ checks for '@' and '.' present in mail id as they are present in normail mail id "example: ' yashj0304@gmail.com ' " ]}

validator: (value) {
                              final emailRegex = RegExp(
                                r'^[\w-]+(\.[\w-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*(\.[a-zA-Z]{2,})$',
                              );
                              if (value!.isEmpty) {
                                Get.snackbar(
                                  'Error',
                                  'Please enter your email address',
                                );
                                return '';
                              } else if (!emailRegex.hasMatch(value)) {
                                Get.snackbar(
                                  'Error',
                                  'Please enter a valid email address',
                                );
                                return '';
                              }
                              return null;
                            },