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cheald/ascii_only.rb Secret

Created November 6, 2014 09:43
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ascii_only.rb
> "テスト’[ruby-core:62842] [Bug #9882]".slice(4..-1)
=> "[ruby-core:62842] [Bug #9882]"
> String.new("\u{30c6 30b9 30c8 2019}#{'[ruby-core:62842] [Bug #9882]'}").slice(4..-1)
=> "[ruby-core:62842] [Bug #9882]"
> bug9882 = '[ruby-core:62842] [Bug #9882]'
=> "[ruby-core:62842] [Bug #9882]"
> str = String.new("\u{30c6 30b9 30c8 2019}#{bug9882}")
=> "テスト’[ruby-core:62842] [Bug #9882]"
> str.slice(4..-1)
=> "\x82\xB9ト’[ruby-core:62842] [Bug #9882]"
> bug9882.ascii_only?
=> true
> str.ascii_only?
=> true
> "テスト’[ruby-core:62842] [B#9882]".ascii_only?
=> false
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