String.charList

Returns a constant List of ASCII string characters for the given $listId.

listId         List of characters
-------        ------------------------

all:           [digits] + [letters]
letters:       [lettersLower] + [lettersUpper]
lettersLower:  abcdefghijklmnopqrstuvwxyz
lettersUpper:  ABCDEFGHIJKLMNOPQRSTUVWXYZ
digits:        0123456789
hex:           0123456789abcdefABCDEF
hexUpper:      0123456789ABCDEF
hexLower:      0123456789abcdef
octal:         01234567

Example:

String.charList('letters').contains('t')
//= true

String.charList('hex')[12]
//= 'c'