Fep

A Fep is an intelligent robot particle that un-corrupts realities. If it sees a corruptness in the reality code of a Huj, it will try to fix it. It then uses the leftovers and uses them to power it's brain. It knows that $s are always corrupt and &s are good to un-corrupt reality codes.

Example
Before: REEeryuukl$$$$$$$$$7665t7yeiujik;:'][][][][][]][ j d hfu suhdfsi m 8^7 8 hjbdk hbcsn m RR^......., e,w nnfekfnerjrfsuysue6cs76%56^###EWRQASDm,cmdkjlidd.~``!! After: REfery;u:kleddeeddee7665t7yeiujik;:'18^][1][2][8][8] !!!!! 9][^ j d hfu suhdfsi m 8^^^^^7 8 hjbdk^hbcsn m RR^&ch, e,w n((u8u),(u*u))fekkkkfnejjrfsuysue6cs76^^%^5..6^@Q3EWRQASDm,cm#&dkjlidd.~`!mt