Attributes:
n N (unsigned integer number)
s S (signed integer number)
f F (unsigned floating point number)
v V (signed floating point number)
e E (alphabet character)
a A (ASCII character)
b B (alphabet and number)
h H (a half-width character)
l L (a half-width Katakana)
z Z (a full-width character)
k K (a full-width Katakana)
x X (printable character)
c C (check digit)
o O (non lower case letter)
j J (address = full-width + ASCII)
m M (email address)