This menu allows you to replace parts in the sequence data.
The highlighted range (see ´ARB_EDIT4 Block Operation´) will be searched for occurrences of the string given in the first input field. If found it will be replaced by the string given in the second input field.
You can use '?' as a joker for any character in the search pattern.
There are no further questions if you press GO. If you pressed GO accidentally, press UNDO to clean up the mess.