convertToInteger() Operation for Strings

set anInteger = aString.convertToInteger()
set anInteger = convertToInteger(LITERAL)

Converts the lexical representation of an integer (e.g. 12345) to an Integer type. The format used is: [+|-][nnnnn]
nnnnn may be any number of decimal digits (0-9). An empty string is converted to 0.

If the conversion is not possible, an error message is raised (for instance: NULL strings).

aString

Can be any variable or object attribute having the type String.  

LITERAL

String literal.