Samsung GT-P7100 - Manual (Page 46)

Entering and editing text
46
Select text
You select text that you want to cut, copy, delete, or replace.
Touch & hold the text or word you want to select.
1
The selected text is highlighted, with a tab at each end of the selection.
Drag a selection tab to expand or reduce the range of selected text.
Drag either selection tab to expand or reduce the range of selected text. Or touch
2
Select all in the Application bar.
If you change your mind, you can unselect the text by touching elsewhere on screen.