[perl #109798] '/e' regexp modifier is not recognized by re pragma

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.

(I find this very odd that p, g and c are regex flags instead of match
substitute operator flags, but they are are.)


---
via perlbug:  queue: perl5 status: open
https://rt.perl.org:443/rt3/Ticket/Display.html?id=109798

• [perl #109798] '/e' regexp modifier is not recognized by re pragma by GlitchMr
• [perl #109798] '/e' regexp modifier is not recognized by re pragma by Eric Brine via RT
• [perl #109798] '/e' regexp modifier is not recognized by re pragma by Eric Brine via RT
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Eric Brine
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Eric Brine
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Eric Brine
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Brad Gilbert
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Tom Christiansen
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Tom Christiansen
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Ronald J Kimball
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Tom Christiansen
• Re: [perl #109798] '/e' regexp modifier is not recognized by repragma by Paul Johnson
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Tom Christiansen
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Karl Williamson
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Eric Brine
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Tom Christiansen
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Tom Christiansen
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Tom Christiansen
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by Eric Brine
• Re: [perl #109798] '/e' regexp modifier is not recognized by re pragma by demerphq
• [perl #109798] '/e' regexp modifier is not recognized by re pragma by James E Keenan via RT