class SimpleLexer extends Lexer;

options { k=1; filter=true; }

ALPHA   : ('a'..'z'|'A'..'Z')+
        { System.out.println("Found alpha: "+getText()); }
        ;

NUMERIC : ('0'..'9')+
        { System.out.println("Found numeric: "+getText()); }
        ; 

EXIT    : '.' { System.exit(0); } ;