Sample source code below will show you how to cope with a difficult task like find keyword in PDF and extract page in VB.NET. Want to find keyword in PDF and extract page in your VB.NET app? ByteScout PDF Extractor SDK is designed for it. ByteScout PDF Extractor SDK is the SDK that helps developers to extract data from unstructured documents, pdf, images, scanned and electronic forms. Includes AI functions like automatic table detection, automatic table extraction and restructuring, text recognition and text restoration from pdf and scanned documents. Includes PDF to CSV, PDF to XML, PDF to JSON, PDF to searchable PDF functions as well as methods for low level data extraction.
Fast application programming interfaces of ByteScout PDF Extractor SDK for VB.NET plus the instruction and the code below will help you quickly learn how to find keyword in PDF and extract page. Follow the instructions from the scratch to work and copy the VB.NET code. Enjoy writing a code with ready-to-use sample codes in VB.NET.
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' This example page extraction by found keyword. Imports Bytescout.PDFExtractor Class Program Friend Shared Sub Main(args As String()) Dim inputFile As String = ".\sample2.pdf" ' Create Bytescout.PDFExtractor.TextExtractor instance Dim extractor As New TextExtractor() extractor.RegistrationName = "demo" extractor.RegistrationKey = "demo" ' Load sample PDF document extractor.LoadDocumentFromFile(inputFile) Dim pageCount As Integer = extractor.GetPageCount() ' Search each page for a keyword For i As Integer = 0 To pageCount - 1 If extractor.Find(i, "bombardment", False) Then ' Extract page Using splitter As New DocumentSplitter("demo", "demo") splitter.OptimizeSplittedDocuments = True Dim pageNumber As Integer = i + 1 ' (!) page number in ExtractPage() is 1-based Dim outputFile As String = ".\page" & pageNumber.ToString() & ".pdf" splitter.ExtractPage(inputFile, outputFile, pageNumber) Console.WriteLine("Extracted page " & pageNumber.ToString() & " to file """ & outputFile & """") End Using End If Next ' Cleanup extractor.Dispose() Console.WriteLine() Console.WriteLine("Press any key...") Console.ReadKey() End Sub End Class