It's worth bearing in mind how far away from Perl's regex power other languages borrowing PCRE are, for evangelism purposes. Not only is the Perl syntax for running regexen without equal in its simplicity; the true Perl regex language and toolbox itself is beyond compare with other languages, and not (of course! - though as I had previously thought) a sort of removable engine that has been taken out and bolted more clumsily into other languages.

Regexen were one of the ma(in|ny) reasons why I decided to become a Perl programmer, after I found out about them in Learning Perl.

I wonder if the Perl 6 regex engine will be any easier to borrow?