$FUNCNAME$
  ISALPHA()
$CATEGORY$
  STRING
$SUMMARY$
   Determine if the leftmost character in a string is alphabetic
$LANG_RU$
   ,        .
$SYNTAX$
     ISALPHA(<cString>) --> lBoolean
$LANG_RU$
     ISALPHA(< >) -->  
$ARGUMENTS$
     <cString> is the character string to be examined.
$LANG_RU$
     < > -   ,   .
$RETURNS$
     ISALPHA() returns true (.T.) if the first character in <cString> is
     alphabetic; otherwise, it returns false (.F.).
$LANG_RU$
     ISALPHA()   "" (..),   
      < > - ,    
       "" (.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.


$LANG_RU$

     ISALPHA() -     , ,
           .  
     -       Z    . ISALPHA()
       "" (.F.),      
     -  .


$EXAMPLES$

       These examples demonstrate various results of ISALPHA():

	? ISALPHA("AbcDe")               // Result: .T.
	? ISALPHA("aBcDE")               // Result: .T.
	? ISALPHA("1BCde")               // Result: .F.
	? ISALPHA(".FRED")               // Result: .F.


$LANG_RU$

           
       ISALPHA():

       ? ISALPHA("AbcDe")        // : .T.
       ? ISALPHA("Bc")        // : .T.
       ? ISALPHA("1BCde")        // : .F.
       ? ISALPHA(".FRED")        // : .F.


$SEEALSO$
  ISDIGIT(),ISLOWER(),ISUPPER(),LOWER(),UPPER()
$END$
