p.mayers at imperial.ac.uk
Wed Jul 30 11:51:01 CEST 2014
On 30/07/14 09:21, Herwin Weststrate wrote:
> What would the semantics be if a negative comparison operator would be
> used, like this?
> if (Attr[*] !~ /regex/)
> My intuition would say this would only be true if none of the attributes
> matches, instead of if at least one of the attributes matches.
Assuming I've understood correctly, using the analogy of the postgres
operator, this is more like:
if (any Attr !~ /regex/)
i.e. if any of the attributes *don't* match.
The regex operators would presumably have the special behaviour of
setting capture groups for the first of the attributes. This doesn't
have much meaning for !~
> And I'm not sure what the expected result should be in the following
> if (Attr[*] > 10)
if (any Attr > 10)
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