Yes, a common way to store the text in editors is a gap buffer[1]. It allows efficient text insertion/deletion in one point and doesn't have too much overhead.

Yes, a common way to store the text in editors is a gap buffer[1]. It allows efficient text insertion/deletion in one point and doesn't have too much overhead. [1] https://en.wikipedia.org/wiki/Gap_buffer https://en.wikipedia.org/wiki/Gap_buffer