Index[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] [Z] \Q Java 2nd 3rd 4th 5th 6th Qantas qed qr/ ‹/ (see also regex objects) introduced quantifier (see also: plus; star; question mark; interval; lazy; greedy; possessive quantifiers) and backtracking and parentheses factor out grouping for multiple levels optimization possessive 2nd possessive quantifiers 2nd 3rd 4th for efficiency 2nd 3rd question mark as \? backtracking greedy 2nd introduced lazy possessive smallest preceding subexpression question mark as \? backtracking greedy 2nd introduced lazy possessive quote method 2nd quoteReplacement method quotes multi-character |