To Move Text in the Text Editor Window

Select the text.
Do one of the following:

Right-click and choose Cut from the pop-up menu.

or
Press <Ctrl+X>.

or
Press <Shift+Delete>.
Place the insertion point at the desired location for the moved text.
If you want to replace text, you can select the text to be replaced.
Do one of the following:

Right-click and choose Paste from the pop-up menu.

or
Press <Ctrl+V>.

or
Press <Shift+Insert>.