For example, Microsoft AND mouse would generate a result set that contain both words. However, for mouse OR keyboard, the result set returned would contain both or either words.

Exact matches can be searched for by enclosing keywords in double-quotes.

For example, "notebook computer" would generate a result set which match the exact string.

Brackets can be used for further control on the result set.

For example, Microsoft and (keyboard or mouse or "visual basic").'; $aLang['text_close_window'] = 'Close'; $aLang['js_at_least_one_input'] = '* One of the following fields must be entered:\n Keywords\n Date Added From\n Date Added To\n Price From\n Price To\n'; $aLang['js_invalid_from_date'] = '* Invalid From Date\n'; $aLang['js_invalid_to_date'] = '* Invalid To Date\n'; $aLang['js_to_date_less_than_from_date'] = '* To Date must be greater than or equal to From Date\n'; $aLang['js_price_from_must_be_num'] = '* Price From must be a number\n'; $aLang['js_price_to_must_be_num'] = '* Price To must be a number\n'; $aLang['js_price_to_less_than_price_from'] = '* Price To must be greater than or equal to Price From\n'; $aLang['js_invalid_keywords'] = '* Invalid keywords\n';