问用表格将pdf解析为文本

EN

Col1    Col2   Col3   Col4   Col5 

1       Test1   2     5       Test6
2               3             Test7
3       Test6         9       Test8

1 Test1 2 5 Test6 <LF>
2 3 Test7<LF>
3 Test6 9 Test8<LF>

<LF> is line feed.

 Public Sub ExtractTextFromPdf(path As String)
        Dim its As ITextExtractionStrategy = New LocationTextExtractionStrategy()
        Dim HeadLine As String
        Using reader As New PdfReader(path)
            Dim str As New StringBuilder()

            For i As Integer = 1 To reader.NumberOfPages
                Dim thePage As String = PdfTextExtractor.GetTextFromPage(reader, i, its)
                Dim pdf31460Lines As String() = thePage.Split(ControlChars.Lf)
                For Each EachLine As String In pdf31460Lines
                    str.AppendLine(EachLine)
                    If EachLine.Contains("SNEW") Then
                        HeadLine = EachLine
                    End If
                Next
            Next

            InsertParsedFileHeader(str.ToString(), HeadLine)


            '  ParsedFileWithSeperator = Regex.Replace(ParsedFileWithSeperator, "\s+", "~")


        End Using
End Sub