Translation from one set of characters to another : tr « String « Ruby

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Ruby » String » tr   Translation from one set of characters to another puts "hello".tr("aeiou", "AEIOU")  # => "hEllO": capitalize vowels. Also tr! puts "hello".tr("aeiou", " ")      # => "h ll ": convert vowels to spaces   Related examples in the same category 1.  tr method from string

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