如何截取电子邮件@前面的字符串

Question

如何截取电子邮件@前面的字符串[email protected]截取字符串得到  testasp

Answer 1

 string x="[email protected]";
        x=x.Substring(0,x.IndexOf("@"));

Answer 2

string email="[email protected]";
string name=email.Slipt('@')[0];

Answer 3

//正则
            string str = "[email protected]";
            Regex reg = new Regex(@".*?(?=\@)");
            Match m = reg.Match(str);
            Response.Write(m.Value);
//不过这种直接截取字符串就可以了
            Response.Write(str.Substring(0, str.IndexOf('@')));

Answer 4

string email="[email protected]";
string name=email.Slipt('@')[0];

Answer 5

string x = "[email protected]";
x = x.Substring(0, x.IndexOf("@"));

Answer 6

string x="[email protected]";
x=x.Substring(0,x.IndexOf("@"));