| ACCESS | Index Level | AND |
| Syntax | ALPHA( expression ) |
| Category | BASIC |
| Type | Function |
| Description |
evaluates the expression and returns "1 ("true") if every character in the string is alphabetic (i.e. a-z upper & lower case), or "0" (zero - "false") if any character is non-alphabetic.
The empty (null) string ("") is considered non-alphabetic. |
| Options | |
| See Also | statements & functions MATCH Boolean Evaluation NUM functions |
| Example |
if alpha(response) then array(1) = response
If the value of the variable, "response", is made up of only alpha characters, it is assigned to the first element of "array". |
| Warnings | |
| Compatibility | D3 7.0 AP R83 |
| ACCESS | Index Level | AND |