accountNumberValidate method
This Method will validate your content from Account Number Format.
content
Content is a Required parameter. Pass your inputed or that value which you want to compare with Account Number format.
Implementation
bool accountNumberValidate({required String content}) {
if (content.length != 8) {
return false;
} else {
return RegExp(r"^[0-9]{9,18}").hasMatch(content);
}
}