2013-07-19 16:00, Nikolay Pavlov skrev:
On Jul 19, 2013 5:49 PM, "BPJ" <b...@melroch.se> wrote:
2013-07-19 09:59, shawn wilson skrev:
On Jul 18, 2013 11:48 PM, "John Beckett" <johnb.beck...@gmail.com> wrote:
shawn wilson wrote:
This is probably a feature request but I really do hate the
regex engine and would love to swap it out. Is there / can
there be a compile time option to use a different engine?
No (I assume you want different regex syntax, probably PCRE).
libpcre would be fine, yes. Or the library that Ruby uses - either way.
Yeah, it looks like sed's syntax. If I'm used to writing things one way
(say in code) and then hit '/' to do a similar thing inside my editor,
switching mindset constantly makes me loose my thought (generally what
happens) or make stupid errors like earlier in this thread.
I feel the same sometimes, as I code Perl in Vim on a daily
basis, but Vim's (old) regex engine/syntax actually allows useful
things which are impossible or hard inn Perl, not only the other
way around. And I can always filter through a perl oneliner if I
want to use perl's regex engine. Can't you do the same with Ruby?
Vim regexes come closer to Perl's if you use of \v and so that
ought to bring you closer to PCRE too unless the "PC" is now only
an historical leftover (I haven't looked at the specs in a long
time, but hey) The only thing I regularly miss in Vim regexes is
\Q...\E. \V...\v comes close, although you still have to escape
your backslashes under \V.
So I guess I should file a feature request for support of \Q,
although someone probably has already...
To have this a way to embed variable is needed in first place. Otherwise
you would need to escape \E which can only be done with a more complex
Perl's \Q not only quotes interpolated variables,
but also any metacharacters, so that \Q[]\E is equivalent to \[\],
which is useful when searching for perl variables...
The way Perl's \Q does (not) interact with \\E is indeed annoying
(compared to escape()) substitute() call or a new function. AFAIR embedding
variables was indeed requested.
Some syntax for that, like \%{varname} could be added to Vim.
The thing I constantly miss in vim RE engine is unicode and locales support.
Yeah, but I've kind of resigned to the lack of it, but it would be
nice to get rid of the shenanigans I use to make up, for sure!
BTW I'm on a UTF-8 locale, so I seldom need (other) locales.
/bpj
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