Re: simple regex for highlighting _/* fails

On Sat, Apr 07, 2007 at 02:27:39PM +0200, Rado S wrote:
> > > (^|[[:space:]'"(])_[^[:space:]_][^_]*[^[:space:]_]_([[:space:]'").,:!?]|$)
> > > (^|[[:space:]'"(])_[^[:space:]_][^_]*[^[:space:]_]_[[:space:]'").,:!?]
> > 
> > (empty) capturing subpatterns (yes, this is a bug in the code -
> > feel free to fix it). use (?:) instead of (), e.g.
> > 
> > (?:^|[\s'"\(])_[^\s_][^_]*[^\s_]_(?:[\s'"\)\.,:!\?]|$)
> 
> Hmm, but why then is this only a problem at the end of the pattern
> and not at the beginning, because I'm using the same construct
> there (^ instead of $) and it works already when I drop the ()
> only at the end?!

I didn't check the code, as I said, feel free to fix it.

> > \s is a shorthand for [:space:] and litteral ().? should be
> > quoted for clearness
> 
> Uh, wait ... wouldn't this make '\' part of the [] range of chars?

no

> Or has tin its own/ extra \-parsing where it removes the \ in
> front of '(' inside [] (before it goes to the regex engine)?

tin uses pcre