In 8.2 there is a nice dialog to setup diff pairs from net suffixes. Setup > Differential Pairs... Add your net suffixes then click Rebuild All.
This is a good idea. The best way to get good ideas like this in front of the marketing team that decides what enhancements go into the tool is to put the idea on Mentor Ideas.
This way, other users can vote to promote your idea and show that it really is a good idea.
It only support to pattern like ...p<>...N. What I supposed is that we hope it can support to pattern like ...P...<>...N....
Help to pomote this idea:
Much thanks. I have posted it on the idea site, and another suggestion about making Hyperlynx Oscilloscope to display voltage wave and it's current wave simultaniously also be posted.
BTW, I don't think these are idea, only suggestion.