ISALPHA( ) Function
Determines whether the leftmost character in a character expression is alphabetic.
ISALPHA(cExpression)
Return Value
Logical
Parameters
- cExpression
Specifies the character expression that ISALPHA( ) evaluates. Any characters after the first character in cExpression are ignored.
Remarks
ISALPHA( ) returns true (.T.) if the leftmost character in the specified character expression is an alphabetic character; otherwise ISALPHA( ) returns false (.F.).
Example
CLOSE DATABASES
OPEN DATABASE (HOME(2) + 'Data\testdata')
USE Customer && Open customer table
CLEAR
DISPLAY contact
? ISALPHA(contact) && Displays .T.
DISPLAY maxordamt
? ISALPHA(cust_id) && Displays .F.