Search operators - Fluid Topics - 4.3

It is possible to use the following prefix operators to overwrite the default filtering role of a term or sequence:

• Use "-" to exclude a term or terms from the query.

• Use "+" to make a term or terms mandatory.

• Use "?" to make terms optional.

A character matching one of these operators in the query field becomes an operator if:

• It is not in a exact search sequence.

• It is preceded by a blank space (or is the first term in the query).

• It is followed without space by either an alphanumeric character or the starting double quote of an exact search sequence.

Otherwise, these operators remain regular tokens and in most cases are ignored terms.