正则 Match m = Regex.Match("abbbcdd","abcd"); m.Value
String str = "abbbcdd"; StringBuilder ss = new StringBuilder(); List<Char> list = new List<Char>(str.ToCharArray()); foreach (Char c in list.Distinct<Char>()) { ss.Append(c); } Console.WriteLine(ss.ToString());
String str = "abbbcdd"; string res= new string(str.ToCharArray().Distinct().ToArray());
char[] c = str.ToCharArray()); ArrayList list = new ArrayList(); for (int i = 0; i < c.Length; i++) { if (!list.Contains(c[i])) { list.Add(c[i]); } } 这个市比较通用的,上面的有的方法好像在08或者10版本才有的哦
Match m = Regex.Match("abbbcdd","abcd");
m.Value
String str = "abbbcdd";
StringBuilder ss = new StringBuilder(); List<Char> list = new List<Char>(str.ToCharArray());
foreach (Char c in list.Distinct<Char>())
{
ss.Append(c);
} Console.WriteLine(ss.ToString());
string res= new string(str.ToCharArray().Distinct().ToArray());
ArrayList list = new ArrayList();
for (int i = 0; i < c.Length; i++)
{
if (!list.Contains(c[i]))
{
list.Add(c[i]);
}
}
这个市比较通用的,上面的有的方法好像在08或者10版本才有的哦