isdigit

Read(1) Label: isdigit,

Syntax:
<object_parameter> isdigit

Return:
Boolean. Returns true if all characters in <object_parameter> are digits, otherwise false.

Parameter <object_parameter>:

String to be checked. Required parameter; type is string; parameter name omitted.

Example:
Check if "123" consists entirely of digits.

NLC snippet: "123" isdigit // result is true

Example:
Check if "12a3" consists entirely of digits.

NLC snippet: "12a3" isdigit // result is false.