string text = "fkdfdsfdflkdkfk@dfsdfjk72388389@kdkfkdfkkl@jkdjkfjd@jjjk@";
text = text.Replace("@", "@" + System.Environment.NewLine);
string text = "fkdfdsfdflkdkfk@dfsdfjk72388389@kdkfkdfkkl@jkdjkfjd@jjjk@";
text = text.Replace("@", "@" + System.Environment.NewLine);