[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

validation( )
values [See also numbers strings variables][See also numbers strings variables]
    comma-separated
        initializing arrays with
        parsing
    converting strings between
    definedness 2nd
    exchanging between scalar variables
    false
values( ), traversing hashes
variable-length text fields
variables
    constants
    default values for
    expanding in user input
    filehandles in
    functions private for
    loop (iterator) variables
    magic, creating
    persistent private, for subroutines
    private, for modules
    private, for subroutines
    scalars [See scalars]
    sharing among different processes
    strings [See strings]
$VERSION variable (use pragma)
VERSION( )
vertical bar (|)
    || operator
        vs. or operator
        separating multiple comparisons
    ||= (assignment) operator
visual bell
VRFY command
vrfy program