[fpc-pascal] fast text processing

[Bee]

> A. That is not a problem. A couple of other, non-c participants use pcre.

I myself would consider them lacks of the language advantage on their own.

> B. The same is done with pidigits.
> C. It shows that fpc has good interoperability.

We could submit more than one programs, one using fpc own regepxr unit, 
another using pcre. This way we would also implicitly/indirectly 
compares regepxr performance between fpc own regexpr against other 
libraries, besides the good interoperability of fpc. ;)

-Bee-

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