To search a keyword in PDF documents search(String) method is used. This method returns the collection of SearchResult objects. For details, see Search Text.
Here are the steps to search a keyword in PDF document:
Instantiate Parser object for the initial document; Call search(String) method and obtain the collection of SearchResult objects; Iterate through the collection and get the position and text. Warning search(String) method returns null value if search isn’t supported for the document....Usage / Extract data from various formats / Extract data from...document. For example, text extraction isn’t supported for Zip archive...