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.