public static Pattern To(this Char @char, [DisallowNull] Pattern to, [AllowNull] Pattern escape) => escape is not null ? new EscapedRanger(@char, to, escape) : new Ranger(@char, to);
=> ((ISupportKeyPress)textbox).OnKeyPress(new KeyPressEventArgs(new ConsoleKeyInfo(@char, direction, false, false, false)));
=> ((ISupportKeyPress)radioGroup).OnKeyPress(new KeyPressEventArgs(new ConsoleKeyInfo(@char, direction, false, false, false)));