Examples:

['a1', 'a11', 'a12', 'a2', 'a21']       => ['a1', 'a2', 'a11', 'a12','a21']
['a', 'b', 'c', 'A', 'B', 'C']          => ['A', 'a', 'B', 'b', 'C', 'c']
['x__2', 'x_1']                         => ['x_1', 'x__2']
['x2-y08', 'x2-g8', 'x2-y7', 'x8-y8']   => ['x2-g8', 'x2-y7', 'x2-y08', 'x8-y8']

• ‘x02-y08’, ‘x02-g8’, ‘x2-y7’, ‘x8-y8’

  > [‘x02-g8’, ‘x2-y7’, ‘x02-y08’, ‘x8-y8’]

Features:

• sort case insensitive

• sort filename matching pattern “abc1”, “abc12”, “abc2” in the correct order

• sort filename matching pattern “a1b2”

• sort underscore insensitive

Install:

• sudo gem install naturalsort