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rubyでランダム英数字を生成(l1,o0,9q等似た文字を除外)

Ruby
Rails

Last updated at 2017-07-19Posted at 2017-03-28

lと1、oと0など似た文字を除外してランダム文字を生成させるコード

length=8
except="19q0iol" #似た文字は使用しない
loop do
  v = rand(36**(length * 3)).to_s(36).delete(except)[0,length]
   if v.size == length
    p v
    break
   end
end

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