GREP Styles impact on Processing

[ppietras]

We run a couple of milllion personalized postcards though uProduce every month.

Can anyone tell me if GREP Styles significantly impact the speed of uProduce when running a process job?

I have a design instance where a GREP style would be ideal to fix a formatting issue. However, I don't want to use it if it's going to create signicant overhead in processing time.

Of course, I will test, but I'm hoping someone has some advice they can provide.

Thanks in Advance.