Function to check for 3 b 's
function checkB ( s , x ) { for ( let i = 0 ; i < x ; i ++ ) { if ( nfa == 4 ) state4 ( s [ i ] ) ; else if ( nfa == 5 ) state5 ( s [ i ] ) ; else if ( nfa == 6 ) state6 ( s [ i ] ) ; } if ( nfa == 4 ) { return true ; } else { nfa = 7 ; } }