xxxxxxxxxx
string s = "This is string";
s = s.Remove(2, 1);
//Output: Ths is string
string s = "This is string";
s = s.Remove(2, 2);
//Output: Th is string
xxxxxxxxxx
// our string
string myString = "test@gmail.com";
// lets remove the @ symbol
// here we replace our "@" in our string to an empty string
string newString = myString.Replace("@", string.empty);
Console.Writeline(newString);
// output should look like this: testgmail.com