Speciální znaky:
\xAA – Hexadecimálni znak
\ – Lomítko
\t – Tabulátor 0x02
\r – Return 0x0D
\n – Nový řádek 0x0A

Hodnota vstupu:
\d – Celé číslo
\ff – Desetinné číslo
\X2 – Hexadecimální číslo o délce 2 znaky, …. (1-8)
\U8 – Unsigned 8 bit number
\U16 – Unsigned 16 bit number Big Endian
\u16 – Unsigned 16 bit number Little Endian
\U32 – Unsigned 32 bit number Big Endian
\u32 – Unsigned 32 bit number Little Endian
\S8 – Signed 8 bit number
\S16 – Signed 16 bit number Big Endian
\s16 – Signed 16 bit number Little Endian
\S32 – Signed 32 bit number Big Endian
\s32 – Signed 32 bit number Little Endian
\F32 – Float 32 bit number Big Endian
\f32 – Float 32 bit number Little Endian