IsValidExpression
Purpose
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
FileMaker Pro 7.0
Examples
IsValidExpression(calculationField) returns 1 (true) if calculationField contains total + 1.
IsValidExpression(calculationField) returns 0 (false) if calculationField contains abs(-1 with no closing parenthesis.
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