class FormValidator { static bool validateName(String value) { if (value.isEmpty) { return false; } return true; } static bool validateEmail(String value) { if (value.isEmpty) { return false; } // Regex for email validation String p = "[a-zA-Z0-9\+\.\_\%\-\+]{1,256}" + "\\@" + "[a-zA-Z0-9][a-zA-Z0-9\\-]{0,64}" + "(" + "\\." + "[a-zA-Z0-9][a-zA-Z0-9\\-]{0,25}" + ")+"; RegExp regExp = new RegExp(p); if (regExp.hasMatch(value)) { return true; } return false; } static bool validatePassword(String value) { if (value.isEmpty) { return false; } // Use any password length of your choice here if (value.length < 5) { return false; } return true; } }