vreIsSingleValue {basictabler}

Determine if a value range expression is a single value.

Description

vreIsSingleValue is a utility function that returns 'TRUE' if the specified value range expression is either numeric, a number expressed as text or an expression of the form "v=" or "v==".

Usage

vreIsSingleValue(vre)

Arguments

vre

The value range expression to examine.

Value

'TRUE' if vre is a single value, 'FALSE' otherwise.