Regex for entity?

[osmoonlight]

Just started working with GLPI and was looking for something that creates asset numbers automatically. So this plugin is what I need.

However, is there a way to set the template in a way that takes the entity (or location) from the auto-imported item? I have setup rules that assign an entity and location based on their IP addresses. As I am working with multiple entities, I would like to get that information somehow into the inventory number (entityA-PC0000X, entityB-PR0002 and so forth).
Can this be done with a regex? Any other option?

Cheers