[fpc-pascal] How to split file of whitespace separated numbers?

[Marco van de Voort]

In our previous episode, Graeme Geldenhuys said:
> For many other things, plain code could be faster, but often a lot more
> effort and time consuming to implement. Where as you could have written
> a regex expression in under 10 seconds and accomplish the same task 8
> lines of code or less - very little effort required.

Writing or even worse, reading/debugging regex is about the most intensive
effort there is IMHO.