Searchable comments

It would be really useful if there was a way to search for key words in our prior comments.  Scrolling through several thousand old comments looking for something is not worth the effort.  The list of tickers doesn't do the trick.  In my case, I know for a fact that I posted several comments with the ticker "SO" in them, yet SO does not show up in my list of comment tickers at all.  Being able to find comments by a search would be very useful IMHO.