ADELIA |
VADELIA |
SADELIA |
WADELIA |
EADELIA |
(I/B) |
(I/B) |
(B) |
(I/B) |
(B) |
Description
This predefined function is used to check whether a character string is completely alphanumeric.
A field is alphanumeric if it contains only characters from ranges [a-z] and [A-Z], and [0-9].
Syntax
Result = &ALPHANUMERIC(String)
Parameters
Description |
Contents |
Controls |
|
Result |
One-position alphanumeric variable. |
Possible values: 0 Non-alphanumeric 1 Alphanumeric |
|
String |
Alphanumeric constant or variable. |
Character string to be checked. |
Mandatory parameter. |
Notes:
- If there are blank characters at the end of the string, those are ignored on execution.
- If the field contains blank characters only, it is considered to be an alphanumeric field.
Example
STRING = '1A2B3C4D5E'
TEST_ALPHA = &ALPHANUMERIC(STRING)
* TEST_ALPHA is equal to 1 (alphanumeric).
*
* if STRING = 'A1C*D-EFG$', TEST_ALPHA is equal to 0 (non alphanumeric).
* if STRING = 'A1B2Cd ', TEST_ALPHA is equal to 1 (alphanumeric).
List of predefined functions by topic