isAcademicEmail method
Implementation
bool isAcademicEmail() {
final List<String> academicTlds = <String>[
'.edu',
'.edu.eg',
'.edu.sa',
'.edu.ae',
'.edu.jo',
'.ac.uk',
'.edu.au',
'.edu.ca',
'.edu.in',
'.edu.pk',
'.edu.bd',
'.edu.my',
'.edu.sg',
'.ac.jp',
'.edu.cn',
'.edu.tw',
'.edu.kr',
'.edu.br',
'.edu.mx',
'.ac.za',
'.edu.ar',
'.edu.cl',
];
return academicTlds.any((String tld) => toLowerCase().endsWith(tld));
}