syntax-highlight-readinput.b

this code stops when the user press the space key
the only chars accepted are the brain chars | tabs and spaces

[65][65][32] continue loop
[32][32][32] end program

+ add one to the 0th cell to start the while
[ while (true)
  , read input at 1st cell

  >[-] clean 2nd cell

  +* copy value from 1st to 2nd cell

  >+++
  {
    ++++++++++ make number 33 at 3rd cell (3 plus (3 times 10))
  }
  - subtract one for the space char

  % gets 3rd cell mod 2nd cell

  ?
    [-]<< if the value is not zero clean the cell and move to 1st cell
  :
    !
  ;
]