urnNumberValidate method
This Method will validate your content from URN Number Format.
content
Content is a Required parameter. Pass your inputed or that value which you want to compare with URN Number format.
Implementation
bool urnNumberValidate({required String content}) {
if (content.length != 19) {
return false;
} else {
return RegExp(r"(UDYAM)[-][A-Z]{2}[-][0-9]{2}[-][0-9]{7}")
.hasMatch(content);
}
}