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12 lines
504 B
Text
12 lines
504 B
Text
Returns a new string containing the downcased characters in +self+:
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'Hello, World!'.downcase # => "hello, world!"
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'ТЕСТ'.downcase # => "тест"
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'よろしくお願いします'.downcase # => "よろしくお願いします"
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Some characters do not have upcased and downcased versions.
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The casing may be affected by the given +mapping+;
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see {Case Mapping}[rdoc-ref:case_mapping.rdoc].
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Related: see {Converting to New String}[rdoc-ref:String@Converting+to+New+String].
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