static void Main(string[] args)
{
// Create Bytescout.PDFExtractor.TextExtractor instance
TextExtractor extractor = new TextExtractor();
extractor.RegistrationName = "demo";
extractor.RegistrationKey = "demo";
// Input file Url
var inputUrl = @"https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-text/sample.pdf";
// Get Input Stream
var inpStream = GetStreamFromUrl(inputUrl);
// Load sample PDF document
extractor.LoadDocumentFromStream(inpStream);
// Save extracted text to file
extractor.SaveTextToFile(@".\result.txt");
// Cleanup
extractor.Dispose();
// Open result file in default associated application
ProcessStartInfo processStartInfo = new ProcessStartInfo(@".\result.txt");
Process.Start(processStartInfo);
}
static void Main(string[] args)
{
MemoryStream searchablePDFStream = new MemoryStream();
// STEP-1: Make Searchable PDF
// STEP-2: Get search text result from that searchable PDF
// STEP-3: Remove sensitive data
// Create Bytescout.PDFExtractor.SearchablePDFMaker instance
using (var searchablePDFMaker = new SearchablePDFMaker("demo", "demo"))
{
// Load sample PDF document
searchablePDFMaker.LoadDocumentFromFile("sampleScannedPDF_EmailAddress.pdf");
// Set the location of language data files
searchablePDFMaker.OCRLanguageDataFolder = @"c:\Program Files\Bytescout PDF Extractor SDK\ocrdata_best\";
// Set OCR language
searchablePDFMaker.OCRLanguage = "eng"; // "eng" for english, "deu" for German, "fra" for French, "spa" for Spanish etc - according to files in "ocrdata" folder
// Set PDF document rendering resolution
searchablePDFMaker.OCRResolution = 300;
// Save extracted text to file
searchablePDFMaker.MakePDFSearchable(searchablePDFStream);
// Prepare TextExtractor
using (TextExtractor textExtractor = new TextExtractor("demo", "demo"))
{
// Load stream into TextExtractor
textExtractor.LoadDocumentFromStream(searchablePDFStream);
// Search email Addresses
// See the complete regular expressions reference at https://msdn.microsoft.com/en-us/library/az24scfc(v=vs.110).aspx
string regexPattern = @"\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,6}\b";
// Enable RegexSearch
textExtractor.RegexSearch = true;
// Set word matching options
textExtractor.WordMatchingMode = WordMatchingMode.None;
ISearchResult[] searchResults = textExtractor.FindAll(0, regexPattern, caseSensitive: false);
// Create Bytescout.PDFExtractor.Remover instance
using (var remover = new Remover2("demo", "demo"))
{
// Load sample PDF document
remover.LoadDocumentFromStream(searchablePDFStream);
// Mask removed text
remover.MaskRemovedText = true;
// Make output file unsearchable
remover.MakePDFUnsearchable = true;
// Provide text to remove
remover.AddTextToRemove(searchResults);
// Remove text objects find by SearchResults.
remover.PerformRemoval("result1.pdf");
}
}
}
// Open output file in default application
ProcessStartInfo processStartInfo = new ProcessStartInfo("result1.pdf");
processStartInfo.UseShellExecute = true;
Process.Start(processStartInfo);
}