String.byte
From OpenEUO
string.byte (s [, i [, j]])
Returns the internal numerical codes of the characters s[i], s[i+1], ···, s[j]. The default value for i is 1; the default value for j is i.
Note that numerical codes are not necessarily portable across platforms. << Todo: test whether this returns OEM codepage value, ANSI value, or a unicode value>>