question: public static String removeBackslashEscapes ( final String s ) { final StringBuilder sb = new StringBuilder ( ) ; for ( int k = 0 ; k < s . length ( ) ; k ++ ) { final char c = s . charAt ( k ) ; if ( c == '\\' ) { if ( ++ k == s . length ( ) ) { break ; } final char d = s . charAt ( k ) ; switch ( d ) { case 'n' : sb . append ( '\n' ) ; break ; case 'r' : sb . append ( '\r' ) ; break ; case 't' : sb . append ( '\t' ) ; break ; default : sb . append ( d ) ; break ; } } else if ( c == '#' ) { break ; } else { sb . append ( c ) ; } } return sb . toString ( ) ; }
target:  Remove backslash escape sequences from a string.