ByteScout Data Extraction Suite – C# – Find SSN in PDF with Regex with PDF Extractor SDK

Home
/
Articles
/
ByteScout Data Extraction Suite – C# – Find SSN in PDF with Regex with PDF Extractor SDK

printable version:
ByteScout-Data-Extraction-Suite-C-sharp-Find-SSN-in-PDF-with-Regex-with-PDF-Extractor-SDK.pdf

How to find SSN in PDF with regex with PDF extractor SDK in C# using ByteScout Data Extraction Suite

If you want to learn more then this tutorial will show how to find SSN in PDF with regex with PDF extractor SDK in C#

The documentation is designed for a specific purpose to help you to apply the features on your side. Want to find SSN in PDF with regex with PDF extractor SDK in your C# app? ByteScout Data Extraction Suite is designed for it. 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.

These C# code samples for C# guide developers to speed up coding of the application when using ByteScout Data Extraction Suite. Follow the instructions from scratch to work and copy the C# code. Enjoy writing a code with ready-to-use sample codes in C#.

You can download free trial version of ByteScout Data Extraction Suite from our website with this and other source code samples for C#.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

Program.cs

      using Bytescout.PDFExtractor;
using System;

namespace FindSSNNumberRegexp
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                // Create Bytescout.PDFExtractor.TextExtractor instance
                using (TextExtractor extractor = new TextExtractor())
                {
                    extractor.RegistrationName = "demo";
                    extractor.RegistrationKey = "demo";

                    // Load sample PDF document
                    extractor.LoadDocumentFromFile("samplePDF_SSNNo.pdf");

                    extractor.RegexSearch = true; // Enable the regular expressions

                    int pageCount = extractor.GetPageCount();

                    // Search through pages
                    for (int i = 0; i < pageCount; i++)
                    {
                        // Search SSN in format 202-55-0130
                        string regexPattern = "[0-9]{3}-[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))
                        {
                            do
                            {
                                // Iterate through each element in the found text
                                foreach (ISearchResultElement element in extractor.FoundText.Elements)
                                {
                                    Console.WriteLine("Found SSN No: " + element.Text);
                                }
                            }
                            while (extractor.FindNext());
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error: " + ex.Message);
            }

            Console.WriteLine();
            Console.WriteLine("Press enter key to continue...");
            Console.ReadLine();
        }
    }
}