It sounds like it's mostly a backwards-compatibility issue. So when
teaching students from scratch about regular expressions, is it
reasonable to only mention pregexps? Is there anything lost by doing
that?
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5 minutes ago, Mark Engelberg wrote:
> As far as I can tell, pregexp functionality is a superset of regexp
> functionality. Furthermore, the added functionality uses patterns
> that are unlikely to occur by accident in normal regular
> expressions. So is there any advantage to using regexp over
>
It would be a significant amount of work to remove regexps because
there is a lot of code that uses them that would have to be rewritten.
In the cases where a literal regexp is used, one could probably write
a script to make it work, but cases where the function 'regexp' was
used would probably all
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