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ひらがなとカタカナを含んだ乱数を作成する

ruby2.1

Posted at 2015-07-12

コード

rubyってすごいね

#!/usr/bin/env ruby
# encoding: utf-8

length = 10
puts [*("あ".ord)..("ん".ord), *("ァ".ord)..("ヶ".ord)]
    .shuffle
    .first(length)
    .map{|x| x.chr('utf-8') }
    .join

参考

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