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Rules for Operator Precedence

In general, the Verity Search Engine reads your query from right to left, processing each search string and operator action in turn to produce a results list of matches. Some operators carry more weight than others, however, which may affect the interpretation of your query.

shots/sea90000.gif  In the Verity Query Language, the AND operator takes precedence over the OR operator.

shots/sea90000.gif  Search strings linked by the AND operator are processed before search strings linked by the OR operator.

The following example is interpreted to mean: Find documents that match blood and diarrhoea, or pages that match vomit.


To ensure that the OR operator is interpreted first, you can enclose the search strings linked by the OR operator in parentheses.

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