RegEx pattern any two letters followed by six numbers

Question

Please assist with the proper RegEx matching. Any 2 letters followed by any combination of 6 whole numbers.

These would be valid: 
RJ123456
PY654321
DD3212         


        

Answer 1

Everything you need here can be found in this quickstart guide. A straightforward solution would be [A-Za-z][A-Za-z]\d\d\d\d\d\d or [A-Za-z]{2}\d{6}.

If you want to accept only capital letters then replace [A-Za-z] with [A-Z].