If you read the help, Help in the menu > click on it, you'll find this:
You can search for specific words, phrases, numbers and characters, and automatically replace search results with new content that you specify. All visible content in the document — the main body text, headers and footers, tables, text boxes, shapes, footnotes and endnotes, and comments — is included in the search.
- Click View in the toolbar, then choose Show Find & Replace.
- In the search field, enter the word or phrase you want to find.Matches are highlighted as you enter text.
- To find words that match the capitalisation you specify, or to restrict search results to the whole words you entered, click , then choose Whole Words or Match Case (you can choose both).
- Click the arrow buttons to find the next or previous match.
To see or clear recent searches, click the arrow next to the magnifying glass.
- Click View in the toolbar, then choose Show Find & Replace.
- Click in the Find & Replace window, then choose Find & Replace.You can also select other options, such as Whole Words and Match Case, to refine your search.
- Enter a word or phrase in the first field.As you enter text, matches are highlighted. The first match is selected and highlighted in yellow.
- Enter the replacement word or phrase in the second field.If you leave the Replace field blank, all instances of the text are deleted when you replace the found text.
- Use the buttons at the bottom of the Find panel to review and change the text matches:
- Replace All: Replaces all text matches with the replacement text.
- Replace & Find: Replaces the selected match and moves to the next.
- Replace: Replaces the selected match with the replacement text but doesn’t move to the next match.
- Previous and Next arrows: Move to the previous or next match without making a change.