Query Operators AND, and, & - Boolean AND Operator OR, or, | - Boolean OR Operator NOT, not, ^ - Boolean NOT Operator > - Greater Than (Only Issue Date Field) < - Less Than (Only Issue Date Field) = - Equal (Only Issue Date Field) >= - Greater Than or Equal (Only Issue Date Field) <= - Less Than or Equal (Only Issue Date Field) * - Root Expansion ? - Single Character Wildcard " (Double Quotes) - (Begin/End) Phrase Search ' (Single Quote) - (Begin/End) Literal Search [ - Start Proximity Operator ] - End Proximity Operator ( - Start Hierarchical Discriminator ) - End Hierarchical DiscriminatorHELP on Query Syntax.