On 02/05/2014 02:52 PM, Jorge Almeida wrote:
$s="ab";
$s=~s/a/AA/; # $s is now "AAb"
I would like to achieve the same with something similar to the x multiplier:
$n=2;
$s="A"x$n."b"; # $s is "AAb"
$s="ab";
$n=2;
$s=~s/a/Ax$n/; # doesn't work, of course; $s is Ax2b
you need the /e modifier on s///. it allows any perl expression to be
used in the replacement part. read http://perldoc.perl.org/perlop.html
and look for s/PATTERN/REPLACEMENT/msixpodualgcer and then the section on /e
uri
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