' – single quote, needed for character literals
" – double quote, needed for string literals
– backslash
– Unicode character 0
a – Alert (character 7)
– Backspace (character 8)
f – Form feed (character 12)
– New line (character 10)
– Carriage return (character 13)
– Horizontal tab (character 9)
v – Vertical quote (character 11)