How to find documentation

perlretut is a tutorial, you need to lookup details in perlre which is the central reference.

I just thought: This should be right at the top of perlretut, and a link to perlretut should be right at the top of perlre! I was quite sure it was not. So I quickly looked at the two documents, before posting nonsense. And to my surprise, these two links are already there, they each are the very first link in under "description". Great job!

Alexander