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public static class StringExtension
{
public static void stringDistinct(this string s)
{
s.ToCharArray().Distinct().ToList().ForEach(p => Console.Write(p+" "));
}
}
class Program
{
static void Main(string[] args)
{
string str = "abbccdefgggghi";
str.stringDistinct();
Console.ReadKey();
}
}
List<char> list = new List<char>("dfasasddd".ToCharArray());
list.ForEach(
delegate(char c1)
{
while (list.FindAll(
delegate(char c2)
{
return c2 == c1;
}).Count > 1)
list.Remove(c1);
});
void Main()
{
string str = @"abbccdefgggghi庆祝国庆";
str=new string(str.ToCharArray().Distinct().ToArray());
Console.WriteLine(str);//abcdefghi庆祝国
}
string str = @"abbccdefgggghi庆祝国庆";
char[] chars = str.ToList<char>().Distinct().ToArray<char>();
str = new string(chars);