Re: Ugly regexps

[Stefan Monnier]

>> So you can do
>>
>>     (string-match (ere "\\(def(macro|un|subst) .{1,}"))
>>
>> instead of
>>
>>     (string-match "(def\\(macro\\|un\\|subst\\) .\\{1,\\}")
>
> Why not use 'rx' in those cases?

Not sure what you mean by "those cases".  I'm thinking this `ere` would
be useful for the cases where the author finds `rx` unpalatable for
some reason.

> IMO it makes the regexp even more easy to write and read.

I believe this depends on taste and circumstances.  Experience shows
that while some packages use `rx` extensively, most ELisp code doesn't.


        Stefan