STR_IS_REAL

Returns a boolean truth value indicating that the input character string argument represents a valid real number.

Format

STR_IS_REAL (String)

Argument

 
String
Represents a real number.

Examples

The following examples illustrate the use of the STR_IS_REAL function:
if condition=(str_is_real ("Hi, Mom.")) ! returns
   false
if condition=(str_is_real ($field_1_value))