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Postings from February 2012
On 5 February 2012 01:19, Eric Brine via RT <perlbug-followup@perl.org> wrote: > On Sat Feb 04 16:15:49 2012, ikegami@adaelis.com wrote: >> On Sat Feb 04 04:05:02 2012, glitchmr@myopera.com wrote: >> > When '/e' modifier is used with 're' module, Perl complains about >> > unknown modifier. Personally, I think that informing about '/e' >> > not being able to be used by 're' module would be more useful. >> > >> > C:\Users\Konrad>perl -e "use re '/e'" >> > Unknown regular expression flag "e" at -e line 1 >> >> That message is accurate. >> >> >perl -e" /(?e:x)/ " >> Sequence (?e...) not recognized in regex; marked by <-- HERE in m/(?e >> <-- HERE :x)/ at -e line 1. >> >> "e" is not a regular expression flag. It is a substitution operator flag. > > Also note that "e" is not mentioned in perlre. The regex flags are (as > listed in perlre): m, s, i, x, p, g, c, a, d, l, u. Just to note, perlre does not decide this. regexp.h does. > (I find this very odd that p, g and c are regex flags instead of match > substitute operator flags, but they are are.) Huh?! /p relates to how we manage $`, $&, $', and has nothing to do with substitution. /g relates to how match /c relates to how we match. None of them have anything to do with substitution. On the other hand /e does, as does /ee Yves -- perl -Mre=debug -e "/just|another|perl|hacker/"Thread Previous | Thread Next