IsValidExpression
Returns 1 (true) if an expression syntax is correct; otherwise, returns 0 (false).
Format
IsValidExpression ( expression )
Parameters
expression
- any calculation expression
Data type returned
number
Originated in version
7.0
Example 1
IsValidExpression(calculationField)
returns 1 (true) if calculationField
contains total + 1.
Example 2
IsValidExpression(calculationField)
returns 0 (false) if calculationField
contains abs(-1
with no closing parenthesis.