Standardised number-letter format

Hi all,

In my source Ι regularly come accross names of laws that look like this: ν.1234/2017 (Α12) or ν.5678/1999 (B56) etc.
Is there a way to have Trados automatically translate it into this : L.1234/2017 (A12) or L.5678/1999 (B56)?

Alternatively, could trados treat every such format as one so I can place it as in one move in my target and manually change the fisrt letter?

Thank you,

 

Tassos