ByteScout PDF Suite – C# – Find Text in PDF using Regex with PDF Extractor SDK

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ByteScout PDF Suite – C# – Find Text in PDF using Regex with PDF Extractor SDK

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ByteScout-PDF-Suite-C-sharp-Find-Text-in-PDF-using-Regex-with-PDF-Extractor-SDK.pdf

How to find text in PDF using regex with PDF extractor SDK in C# and ByteScout PDF Suite

Step-by-step tutorial on how to find text in PDF using 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. ByteScout PDF Suite is the bundle that provides six different SDK libraries to work with PDF from generating rich PDF reports to extracting data from PDF documents and converting them to HTML. This bundle includes PDF (Generator) SDK, PDF Renderer SDK, PDF Extractor SDK, PDF to HTML SDK, PDF Viewer SDK and PDF Generator SDK for Javascript. It can be applied to find text in PDF using regex with PDF extractor SDK using C#.

These C# code samples for C# guide developers to speed up coding of the application when using ByteScout PDF Suite. IF you want to implement the functionality, just copy and paste this code for C# below into your code editor with your app, compile and run your application. If you want to use these C# sample examples in one or many applications then they can be used easily.

ByteScout PDF Suite free trial version is available on our website. C# and other programming languages are supported.

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Program.cs

      using System;
using Bytescout.PDFExtractor;

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

            // Load sample PDF document
            extractor.LoadDocumentFromFile(@".\Invoice.pdf");

            extractor.RegexSearch = true; // Enable the regular expressions
            
            int pageCount = extractor.GetPageCount();

            // Search through pages
            for (int i = 0; i < pageCount; i++)
            {
                // Search dates in format 12/31/1999
                string regexPattern = "[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))
                {
                    do
                    {
                        Console.WriteLine("");
                        Console.WriteLine("Found on page " + i + " at location " + extractor.FoundText.Bounds);
                        Console.WriteLine("");

                        // Iterate through each element in the found text
                        foreach (ISearchResultElement element in extractor.FoundText.Elements)
                        {
                            Console.WriteLine("   Text: " + element.Text);
                            Console.WriteLine("   Font is bold: " + element.FontIsBold);
                            Console.WriteLine("   Font is italic: " + element.FontIsItalic);
                            Console.WriteLine("   Font name: " + element.FontName);
                            Console.WriteLine("   Font size: " + element.FontSize);
                            Console.WriteLine("   Font color: " + element.FontColor);
                            Console.WriteLine();
                        }
                    }
                    while (extractor.FindNext());
                }
            }

            // Cleanup
			extractor.Dispose();

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