Hi,
you can use split for this sort of thing. For example:
my $string = "hello there";
# add an extra '.' for every character you want
my @pairs = split(/(..)/, $string);
The only thing you want to be careful about is empty quotes/nothing (e.g. ''). For
example, if we wanted to print the character pairs:
foreach(@pairs)
{
# we'll skip on the empty elements
if($_ eq '')
{
next;
}
# print each pair, preceded by a *
# you could push onto another array instead
print "*$_";
}
Can't think of anything more code efficient at the moment but I hope this helps.
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