Boolean search

If you want more advanced results, you may use boolean query language. To do so, specify Boolean in the "Search for" field.

The following boolean operators are understood :

& - logical AND

For example, cocoa & builder will match every documents containing both cocoa and builder.

Synonyms for the & operator include and, AND, +.

| - logical OR

For example cocoa|builder will match every documents containing the word cocoa or the word builder.

Synonyms for the | operator include or, OR.

~ - logical NOT

For example cocoa & ~builder will match every documents containing the word cocoa without the word builder in the same document. Note that ~ just excludes given words from results. The query ~builder will not return any results.

Synonyms for the ~ operator include not, NOT.

() - group command to compose more complex queries.

For example (cocoa | project) & ~builder will find documents containing the words cocoa or project which do not contain the word builder.

Synonyms for | include or, OR.

Please note that if you use a boolean search on two or more words, you must specify operators like & | ~. For instance, you should use a & book instead of a book.