How to search"AND" Search: Just separate search terms with spaces.
"OR" Search: Separate search terms with a semicolon.
Negation: Use a minus sign in front of the search term.
Phrase: Quote the phrase you are searching for.
Wild Card Use an asterisk at the beginning or end of a term.
Parentheses: can be used for precedence grouping.
Precedence: from highest to lowest: quotes, minus, parentheses, AND, OR.
Here are some examples:
Sovereignty Falklands Antarctica
-- will match messages that contain all three of the words listed.
Sovereignty Falklands -Antarctica
-- will match those messages that contain "Falklands" and "Sovereignty" but not "Antarctica".
Falklands; Sovereignty; Antarctica -- will match match messages that contain one or more of the given terms.
"Now is the time for all good men to come to the aid of their country"
-- to search for a message containing that exact phrase.
-- to match any of "City", "Citizen", "Citation", etc.
(Falklands; Antarctica) Sovereignty
-- will match messages that contain "Sovereignty" and either "Falklands" or "Antarctica".
(("puerto argentino"; stanley) -sovereignty; -(flag banner); Sheffield -"battle colors") Falk*; goose -upland
-- You figure it out, but it works!
George Boole says
the following rules apply to this search utility:
Elementary Propositions foo -foo matches nothing foo; -foo matches all foo foo is the same as foo foo; foo is the same as foo --foo is the same as foo Associative Laws (foo; bar); quux is the same as foo; (bar; quux) (foo bar) quux is the same as foo (bar quux) Commutative Laws foo bar is the same as bar foo foo; bar is the same as bar; foo Distributive Laws foo (bar; quux) is the same as foo bar; foo quux foo; bar quux is the same as (foo; bar) (foo; quux) DeMorgan's Theorum -(foo bar) is the same as -foo; -bar -(foo; bar) is the same as -foo -bar Absorption Rule foo; foo bar is the same as foo foo (foo; bar) is the same as foo