Validates whether the given code is an official Sri Lankan DMT license category (e.g. 'A', 'B', 'B1', 'C1').
DMT vehicle class code, such as 'B1'. Case-insensitive.
'B1'
true for a known DMT vehicle class.
true
isValidLicenseCategory('b1'); // trueisValidLicenseCategory('Z9'); // false Copy
isValidLicenseCategory('b1'); // trueisValidLicenseCategory('Z9'); // false
Validates whether the given code is an official Sri Lankan DMT license category (e.g. 'A', 'B', 'B1', 'C1').