去除重复字符串,效率
private string Method1(string text)
{
string t = text; // t = Regex.Replace(t, @"(.)\1+", "$1"); while (Regex.IsMatch(t, @"(.+|.)([^\1]*?)(\1)"))//(.)([^\1]+?)(\1)
{
t = Regex.Replace(t, @"(.+|.)([^\1]*?)(\1)", "$1$2");
} return t; 
} private string Method2(string text) { string t =text; //t = Regex.Replace(t, @"(.)\1+", "$1"); int i = 0; while (Regex.IsMatch(t, @"(.)([^\1]*?)(\1)")) { i++; t = Regex.Replace(t, @"(.)([^\1]*?)(\1)", "$1$2"); } // atb2.Text = Regex.Replace(t, @"(.)\1+", "$1"); Response.Write(i);return t;
}