when the the last index on string has "x" or "X" (It is represent as 10) so if I have something like "1x", which mean 11 (1 + 10)when the the last index on string has "x" or "X
when the the last index on string has "x" or "X" (It is represent as 10) so if I have something like "1x", which mean 11 (1 + 10)when the the last index on string has "x" or "X