Code Undo

Question

Is there any option to undo the writing?

Answer 1

Thank to @everyone.

Inputting+ app just working perfectly on all keyboard.

https://play.google.com/store/apps/details?id=com.catchingnow.undo

Answer 2

😞

Answer 3

On Android you can install Hacker's keyboard. That will let you press ctrl-z to undo.