Jonathan Lang skribis 2006-09-19 16:39 (-0700):
> >Anyway, it's not clear to me that grep always has an exact opposite.
> I don't see why it ever wouldn't: you test each item in the list, and
> the item either passes or fails. 'select' would filter out the items
> that fail the test, while 'reject' would filter out the ones that pass
> it.
There's a neat trick for this: .grep:{ not ... }
HTH :)
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