[fpc-pascal] CSV via PCRE

[Florian Klaempfl]

> Regular expressions are used by vi and emacs; in fact, any editor that
> doesn't let you do a regex search is a joke.  (Even some microsoft
> applications understand regexes.)  So everyone who programs should
> learn regular expressions.

I can write regexs and decypher them, I even being guilty for having
written the regexpr unit in fpc :) but I don't use them though I'am
coding professionally and as a hobby and even writing compilers ;)