ByteScout PDF Extractor SDK - C# - Find Credit Card Number in PDF with Regex - ByteScout

ByteScout PDF Extractor SDK – C# – Find Credit Card Number in PDF with Regex

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How to find credit card number in PDF with regex in C# with ByteScout PDF Extractor SDK

What is ByteScout PDF Extractor SDK? It is the Software Development Kit (SDK) that is designed to help developers with data extraction from unstructured documents like pdf, tiff, scans, images, scanned and electronic forms. The library is powered by OCR, computer vision and AI to provide unique functionality like table detection, automatic table structure extraction, data restoration, data restructuring and reconstruction. Supports PDF, TIFF, PNG, JPG images as input and can output CSV, XML, JSON formatted data. Includes full set of utilities like pdf splitter, pdf merger, searchable pdf maker.

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FindCreditCardNumberWithRegex.csproj
      
<?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" /> <PropertyGroup> <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> <ProjectGuid>{99735776-2956-463D-9795-EBCE16928C30}</ProjectGuid> <OutputType>Exe</OutputType> <RootNamespace>FindCreditCardNumberWithRegex</RootNamespace> <AssemblyName>FindCreditCardNumberWithRegex</AssemblyName> <TargetFrameworkVersion>v2.0</TargetFrameworkVersion> <FileAlignment>512</FileAlignment> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> <PlatformTarget>AnyCPU</PlatformTarget> <DebugSymbols>true</DebugSymbols> <DebugType>full</DebugType> <Optimize>false</Optimize> <OutputPath>bin\Debug\</OutputPath> <DefineConstants>DEBUG;TRACE</DefineConstants> <ErrorReport>prompt</ErrorReport> <WarningLevel>4</WarningLevel> </PropertyGroup> <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> <PlatformTarget>AnyCPU</PlatformTarget> <DebugType>pdbonly</DebugType> <Optimize>true</Optimize> <OutputPath>bin\Release\</OutputPath> <DefineConstants>TRACE</DefineConstants> <ErrorReport>prompt</ErrorReport> <WarningLevel>4</WarningLevel> </PropertyGroup> <ItemGroup> <Reference Include="Bytescout.PDFExtractor, Version=9.1.0.3170, Culture=neutral, PublicKeyToken=f7dd1bd9d40a50eb, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> <HintPath>c:\Program Files\Bytescout PDF Extractor SDK\net2.00\Bytescout.PDFExtractor.dll</HintPath> </Reference> <Reference Include="System" /> <Reference Include="System.Data" /> <Reference Include="System.Xml" /> </ItemGroup> <ItemGroup> <Compile Include="Program.cs" /> </ItemGroup> <ItemGroup> <None Include="SampleInvoice.pdf"> <CopyToOutputDirectory>Always</CopyToOutputDirectory> </None> </ItemGroup> <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> </Project>

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Program.cs
      
using Bytescout.PDFExtractor; using System; namespace FindCreditCardNumberWithRegexp { // Note: if you are looking for a more higher level API to extract data from invoices, reports, statements // then please check Document Parser SDK and Web API at https://bytescout.com/products/developer/documentparsersdk/index.html // and https://pdf.co for secure and scalable web api 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("SampleInvoice.pdf"); extractor.RegexSearch = true; // Enable the regular expressions int pageCount = extractor.GetPageCount(); // Search through pages for (int i = 0; i < pageCount; i++) { // Search credit card number in format of (XXXX XXXX XXXX XXXX) string regexPattern = @"[0-9]{4} [0-9]{4} [0-9]{4} [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 Credit Card Number: " + element.Text); } } while (extractor.FindNext()); } } } } catch (Exception ex) { Console.WriteLine("Error: " + ex.Message); } Console.WriteLine(); Console.WriteLine("Press enter key to continue..."); Console.ReadLine(); } } }

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ON-DEMAND REST WEB API

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ON-PREMISE OFFLINE SDK

60 Day Free Trial or Visit ByteScout PDF Extractor SDK Home Page

Explore ByteScout PDF Extractor SDK Documentation

Explore Samples

Sign Up for ByteScout PDF Extractor SDK Online Training

ON-DEMAND REST WEB API

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Explore Web API Docs

Explore Web API Samples

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