From: Robert Klemme <bob.news@...>
Date: 2005-04-28T16:34:28+09:00
Subject: Re: Scanning a String


"Nicholas Seckar" <nseckar@gmail.com> schrieb im Newsbeitrag
news:6bfb9c8a050427193967475977@mail.gmail.com...
> On 4/27/05, David A. Black <dblack@wobblini.net> wrote:
> > (You don't really need the block arg (match) :-)
>
> Good point :-)
>
> >    pious".gsub(/([aeiou])(?=[aeiou])/) { "#{$1}'#{$2}" }
>
> We could also do away with the block altogether and use
> "pious".gsub(/([aeiou])(?=[aeiou])/, '\1\'\2')
>
> Although I don't know if one approach is preferred to the other.

Yes, it's preferred because it's faster.  Although your variant works, I
usually prefer to put the correct number of backslashes in there:

"pious".gsub(/([aeiou])(?=[aeiou])/, '\\1\'\\2')

Kind regards

    robert