When studying any document, you can search it with the standard Ctrl+F shortcut or by choosing View | Find from the main menu. All textual matches in identifiers, comments, and literals will be highlighted in the document.
To navigate between matches, press F3 to go to the next match and Shift+F3 to go to the previous match, or choose View | Find Next/Previous from the main menu.
If you want to search with a regular expression, wildcard, acronym, or shorthand, select the corresponding option in the Find options selector.
tip
To search for textual matches in string literals in a wider scope, use the Go to String command.