#isalpha()

DESCRIPTION
    returns TRUE if a character, or first character in a string, is alphabetic
    (a letter)

SYNOPSIS
    #isalpha(s)

ARGUMENTS
    s - a quoted string, or string expression

EXAMPLES

# pikt +C 'output $text(#isalpha("a"))'
1

# pikt +C 'output $text(#isalpha("A"))'
1

# pikt +C 'output $text(#isalpha("9"))'
0

# pikt +C 'output $text(#isalpha("!"))'
0

# pikt +C 'output $text(#isalpha(" "))'
0

# pikt +C 'output $text(#isalpha($char(3)))'
0

# pikt +C 'output $text(#isalpha("is this alphabetic?"))'
1

SEE ALSO
    #isalnum()
    #iscntrl()
    #isdigit()
    #isgraph()
    #islower()
    #isprint()
    #ispunct()
    #isspace()
    #isupper()

    Numerical Functions
    String Functions