ByteScout Data Extraction Suite – VB.NET – Find text in pdf with regex with pdf extractor sdk

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ByteScout Data Extraction Suite – VB.NET – Find text in pdf with regex with pdf extractor sdk

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How to find text in pdf with regex with pdf extractor sdk in VB.NET and ByteScout Data Extraction Suite

Learn to find text in pdf with regex with pdf extractor sdk in VB.NET

An easy to understand sample source code to learn how to find text in pdf with regex with pdf extractor sdk in VB.NET ByteScout Data Extraction Suite is the set that includes 3 SDK products for data extraction from PDF, scans, images and from spreadsheets: PDF Extractor SDK, Data Extraction SDK, Barcode Reader SDK and you can use it to find text in pdf with regex with pdf extractor sdk with VB.NET.

Want to quickly learn? This fast application programming interfaces of ByteScout Data Extraction Suite for VB.NET plus the guidelines and the code below will help you quickly learn how to find text in pdf with regex with pdf extractor sdk. Follow the instructions from scratch to work and copy the VB.NET code. Use of ByteScout Data Extraction Suite in VB.NET is also described in the documentation included along with the product.

ByteScout Data Extraction Suite free trial version is available on our website. VB.NET and other programming languages are supported.

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Program.vb

      Imports System.Drawing
Imports Bytescout.PDFExtractor

Class Program
    Friend Shared Sub Main(args As String())

        ' Create Bytescout.PDFExtractor.TextExtractor instance
        Dim extractor As New TextExtractor()
        extractor.RegistrationName = "demo"
        extractor.RegistrationKey = "demo"

        ' Load sample PDF document
        extractor.LoadDocumentFromFile(".\Invoice.pdf")

        extractor.RegexSearch = True ' Enable the regular expressions

        Dim pageCount As Integer = extractor.GetPageCount()

        ' Search through pages
        For i As Integer = 0 To pageCount - 1

            ' Search dates in format 12/31/1999
            Dim regexPattern As String = "[0-9]{2}/[0-9]{2}/[0-9]{4}"
            ' See the complete regular expressions reference at https://msdn.microsoft.com/en-us/library/az24scfc(v=vs.110).aspx

            ' Search each page for the pattern
            If extractor.Find(i, regexPattern, False) Then
                Do
                    Console.WriteLine("")
                    Console.WriteLine(("Found on page " & i & " at location ") + extractor.FoundText.Bounds.ToString())
                    Console.WriteLine("")

                    ' Iterate through each element in the found text
                    For Each element As ISearchResultElement In extractor.FoundText.Elements
                        Console.WriteLine("   Text: " + element.Text)
                        Console.WriteLine("   Font is bold: " + element.FontIsBold.ToString())
                        Console.WriteLine("   Font is italic:" + element.FontIsItalic.ToString())
                        Console.WriteLine("   Font name: " + element.FontName)
                        Console.WriteLine("   Font size:" + element.FontSize.ToString())
                        Console.WriteLine("   Font color:" + element.FontColor.ToString())
                        Console.WriteLine()
                    Next

                Loop While extractor.FindNext()

            End If
        Next

        ' Cleanup
		extractor.Dispose()

        Console.WriteLine()
        Console.WriteLine("Press any key to continue...")
        Console.ReadLine()
    End Sub

End Class