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ISALPHA()
Determine if the leftmost character in a string is alphabetic
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Syntax
ISALPHA(<cString>) --> lBoolean
Arguments
<cString> is the character string to be examined.
Returns
ISALPHA() returns true (.T.) if the first character in <cString> is
alphabetic; otherwise, it returns false (.F.).
Description
ISALPHA() is a character function that determines if the specified
string begins with an alphabetic character. An alphabetic character
consists of any uppercase or lowercase letter from A to Z. ISALPHA()
returns false (.F.) if the string begins with a digit or any other
character.
Examples
. These examples demonstrate various results of ISALPHA():
? ISALPHA("AbcDe") // Result: .T.
? ISALPHA("aBcDE") // Result: .T.
? ISALPHA("1BCde") // Result: .F.
? ISALPHA(".FRED") // Result: .F.
Files Library is EXTEND.LIB.
See Also:
ISDIGIT()
ISLOWER()
ISUPPER()
LOWER()
UPPER()
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Written by Dave Pearson