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SelectionCreateCell

SelectionCreateCell[notebook]
copies the contents of the current selection in a notebook into a new cell.
SelectionCreateCell[notebook, sel]
sets the current selection after the copy to be as specified by sel.
  • If the current selection is a cell group, then SelectionCreateCell will create a new cell group.
  • The default for sel is After.
Select a cell and create a copy beneath it:
In[1]:=
Click for copyable input
 
Select a cell, create a copy, and leave the new cell contents selected:
In[1]:=
Click for copyable input
In[2]:=
Click for copyable input
New in 3