[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] # (pound sign) variable names variables 2nd $ (dollar sign) in regular expressions "delete" action (CFREGISTRY tag) 2nd "get" action (CFREGISTRY tag) 2nd "getAll" action (CFREGISTRY tag) 2nd "set" action (CFREGISTRY tag) 2nd () parentheses in regular expressions 2nd * (asterisk) in regular expressions + (plus sign) in regular expressions . (period) in regular expressions // (double forward slash) comments in CFScript code ? (question mark) in regular expressions \#092 (backslash) in regular expressions ^ (carat) in regular expressions {} (curly brackets) in regular expressions | (pipe) in regular expressions 2-tier architecture 2nd 3rd 4th |