Hi,
The spreadsheet modules have code to do this for you
use Data::Dump qw/ dd /;
use Spreadsheet::Read qw( cr2cell );
for my $pair ( [0,0],
[1,1],
[12,12],
[25,25],
[26,26],
[66,66],
[666,666],
[6666,6666],
) {
dd( cr2cell( @$pair ) , @$pair );
}
__END__
("", 0, 0)
("A1", 1, 1)
("L12", 12, 12)
("Y25", 25, 25)
("Z26", 26, 26)
("BN66", 66, 66)
("YP666", 666, 666)
("IVJ6666", 6666, 6666)
update:https://metacpan.org/pod/Spreadsheet::Read#cr2cell
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