# (number sign), filtering with, 302
* (asterisk), filtering with, 302
* (multiply), arithmetic operator, 306
< > (not equal to), comparison operator, 306
>= (greater than or equal to), comparison operator, 306
> (greater than), comparison operator, 306
< (less than), comparison operator, 306
<= (less than or equal to), comparison operator, 306
= (equal to), comparison operator, 306
+ (add), arithmetic operator, 306
- (subtract), arithmetic operator, 306
/ (divide), arithmetic operator, 306
& (concatenation operator), 306
? (question mark), filtering with, 302