Ryan Moszynski wrote:
> I need to write some code to allow users to specify which of a whole
> bunch of elements(e.g.512/1024) that they want to view. My idea for
> how to do this was to have them input a semicolon delimited list, for
> example:
>
> 1-10;25;33;100-250
You will need more than a regex:
my $lower;
my upper;
for my $part ( split /;/, $list ){
if( $part =~ /(\d+)-(\d+)/ ){
$lower = $1;
$upper = $2;
}elsif( $part =~ /(\d+)/ ){
$upper = $lower = $1;
}else{
warn "invalid format of part: '$part'\n";
next;
}
# process $lower and $upper
}
--
__END__
Just my 0.00000002 million dollars worth,
--- Shawn
"For the things we have to learn before we can do them, we learn by
doing them."
Aristotle
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