Ruby按字母顺序排序数组

Question

我有Array，其中包含混合数据。

就像

["AB_1020", "AB_950", "AB_50", "1000", "570"]

输出应为

AB_50, AB_950, AB_1020, 570, 1000

Answer 1

["AB_1020", "AB_950", "AB_50", "1000", "570"].sort_by do |k|
  i, w = k.split('_').rotate
  [w.to_s, -i.to_i]
end.reverse
#⇒ ["AB_50", "AB_950", "AB_1020", "570", "1000"]

Answer 2

你可以做这样的事情

#⇒ ["AB_50", "AB_950", "AB_1020", "570", "1000"]

ouptut

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