Hi @Luca09 ,
Although we might not have the full details of your implementation or what is your end output required but there are already many posts in here that would help you in a General way to figuring out what needs to be done when extracting data from PDF and get it to a Structured format.
One of the posts is below :
It might not be the exact way that is required for your needs but there is a General method introduced that could also be used for your case
Do check it and let us know if it was helpful. But to help you more specific to your case, we might need to know more of your data format, the regex that you are already using and what has been implemented till now.