regular expression

[Paddy]

Asper Faner wrote:
> I seem to always have hard time understaing how this regular expression
> works, especially how on earth do people bring it up as part of
> computer programming language. Natural language processing seems not
> enough to explain by the way. Why no eliminate it ?
If you try to eliminate what you don't understand you won't learn
anything!

I suggest that you put the learning of regexps aside for a while and
come back to it 'later'.