Unicode strings: Difference between revisions

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 puts Σ([4,5,6]) #=>15
 </lang>
+Ruby 2.2 introduced a method to normalize unicode strings:
-The unicode gem (an external library) is for difficult things like normalization and lowercase\uppercase outside the ASCII region.
+<lang ruby>
+p bad = "¿como\u0301 esta\u0301s?" # => "¿comó estás?"
+p bad.unicode_normalized?          # => false
+p bad.unicode_normalize!           # => "¿comó estás?"
+p bad.unicode_normalized?          # => true
+</lang>
+The unicode gem (an external library) is for difficult things like lowercase\uppercase outside the ASCII region.
 =={{header|Scala}}==