Re: [PATCH] ed with perl-compatible regular expressions

[Antonio Diaz Diaz]

Shawn Wagner wrote:
> I'm mostly trying to fix one annoyance I've found - simple to use
> case-insensitive regular expressions. Having more powerful REs
> available as an option and parity with the flavors of RE accepted by
> its stepchild grep are just added bonuses. If you don't want to use
> this one, what about the earlier hackjob of a patch I sent that just
> checks to see if the RE starts with (?i) and calls regcomp() with the
> appropriate flag if so? Case-insensitive BREs and EREs are better than
> nothing. and it's a smaller and less invasive patch if that's your
> concern..

The main problem with your two proposals is that they either add a large 
dependency or are not backwards compatible.

I think there are ways to implement case-insensitive REs without these two 
inconveniences. Maybe a toggle command 'I'. Adding an 'I' or 'i' flag to the 
commands already accepting suffixes seems complicated (or impossible for 'g').

Just now I'm busy, but I'll take a look at these two ideas as soon as I find 
the time. Ideas are welcome.

Best regards,
Antonio.