1.
Open a new text file, enter a short text message e.g. . "Short Text Message"
2.
Ensure each word in "Short Text Message" ebgins with an uppercase letter.
3.
From the menu bar, select Edit - Find & Replace.
4.
In the Find & Replace dialog
4.1 ensure 'match case' is not selected.
4.2 enter "message" in the Search for box.
4.3 enter "mess" in the Replace with box.
4.4 Click on Replace All
5.
A dialog should prompt that the search key was replaced 1 time, click Ok
on this dialog.
6.
Select Close on the Find & Replace Dialog.
7.
the word "Message" should have been replaced by "mess".