This function returns "true" if a can be interpreted as a numerical value. Important note: Empty values (no mapping, no fix value, without value assignment by a function) are not interpreted as numerical. Hidden values (i.e. non-empty numerical and alphanumerical values with set Empty Flag), however, are.
Parameters
Parameter | Description |
|---|---|
a | Value. |
Examples
Parameter a | Result |
|---|---|
1234 (on a "String" field ↔implicit typecast) | true |
1234 (on an Integer field) | true |
Text | false |
1234.12 | true |
1234q | false |
Empty value "" (no Empty Flag) | false |
Empty value "" (hidden value) | true |
77 (hidden value) | true |
test (hidden value) | true |