RosettaCodeData/Task/Reverse-a-string/C-sharp/reverse-a-string-3.cs

15 lines
620 B
C#

public string ReverseElements(string s)
{
// In .NET, a text element is series of code units that is displayed as one character, and so reversing the text
// elements of the string correctly handles combining character sequences and surrogate pairs.
var elements = System.Globalization.StringInfo.GetTextElementEnumerator(s);
return string.Concat(AsEnumerable(elements).OfType<string>().Reverse());
}
// Wraps an IEnumerator, allowing it to be used as an IEnumerable.
public IEnumerable AsEnumerable(IEnumerator enumerator)
{
while (enumerator.MoveNext())
yield return enumerator.Current;
}