offset = 1;
} else if (s.startsWith("<")) {
operator = new ExprLessThan(null, null);
offset = 1;
} else if (s.startsWith(">")) {
operator = new ExprGreaterThan(null, null);
offset = 1;
} else {
operator = new ExprEqual(null, null);
str = true;
offset = 0;