gistfile1.rb

# Arrays
['a', 'b', 'c'] # Without interpolation
["a", "b", "c"] # With interpolation
%w(a b c) # Without interpolation
%W(a b c) # With interpolation

# Strings
'a' # Without interpolation
"a" # With interpolation and backslashes
`a` # Command Interpretation with interpolation and backslashes
%q(a) # Without interpolation
%Q(a) # With interpolation and backslashes
%(a) # With interpolation and backslashes
%x(a) # Command Interpretation with interpolation and backslashes

# Symbols
:a # without interpolation
:'a' # without interpolation
:"a" # with interpolation
%s(a) # with interpolation

# Regexes
/a/ # normal use
%r(a) # can replace () with any character or {} pair