my %mul = (
   M => 1e6,
   B => 1e9,
);

if ($num =~ s/([^0-9.]+)\z//) {
   my $suf = $1;
   die if !$mul{$suf};
   $num *= $mul{$suf};
}

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(Billion can also mean 1e12. Adjust if necessary.)

In reply to Re: convert last digit in decimal by ikegami
in thread convert last digit in decimal by baperl

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