> On Tue, 18 May 2004, Greg London wrote:
> 
> > $string =~ s{:}{\\:}g;
> 
> That prefixes all colons.
> 
> He wants the first one to not have the prefix.
> 
> I think the solution is more complex than this.

Not too much more complex.  :-)

  || % echo "a:b:c:d:e" | perl -pe 's/(:[^:]*)(?=:)/$1\\/g'
  || a:b\:c\:d\:e
  || %

peace,                  || Rainbow children in Kolkata:
--{kr.pA}               || http://tinyurl.com/x8lc
-- 
"Onomatopoeic" is not onomatopoeic.
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