is_voc()

Identifies whether a given value is a vocabulary reference. Returns TRUE if a given value is a vocabulary reference, NULL if given value is not a vocabulary reference.

Syntax:

is_voc(value);

where

value is any value.

Example:

is_voc("not a voc"); // returns NULL

Where Used:

Measurement Expressions (Data Display equations and Schematic MeasEqns), Schematic, Layout, Simulation, GUI