I don’t know if I’ve mentioned “ack” before — it’s been my favorite tool for searching code for a while (it’s better than grep, because it’s fairly speedy because it knows how to search only files that are code and how to ignore a lot of cruft plus it does nice output with coloring, paging, etc.).
Anyway, I just found an even better tool:
It’s more or less a drop-in replacement for “ack”; but it’s written in C (“ack” is Perl) and it’s faster. Looks like this:
And you can use it in your favorite editor probably: