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Find and Replace Text in Word, PDF with C#

Wordize provides .NET developers with powerful text search and replace functions for Word, PDF, and other popular document formats. The Find and Replace API allows you to efficiently search and replace text using both simple strings and advanced Regex patterns. These capabilities are essential for programmatic template filling, complex content standardization tasks, and bulk file editing.

Key Features

  • Full RegEx support for flexible text matching and replacement across all document types.
  • Enhanced special character support for proper handling of paragraph breaks, page breaks, section breaks, and other formatting elements.
  • Intelligent text search and replacement across all document structural elements, including headers, footers, and tables.
  • Flexible settings to exclude specific content elements during bulk text replacement operations.
  • High performance and optimized processing when working with large documents.

Benefits of Using Wordize for Text Search and Replace

  • Time savings through automation of routine document update tasks.
  • Elimination of human errors during bulk text replacement operations.
  • Easy integration with existing business processes and document management systems.

Popular Use Cases

  • Automatic document template and form filling. Easily and quickly replace template fields and placeholders with dynamic content to create personalized contracts, business proposals, invoices, reports, and official letters.
  • Content and formatting unification and standardization. Ensure strict consistency of corporate style and content by automatically formatting multiple documents according to a single corporate standard.
  • Real-time data updates in technical documentation. Quickly update prices, contact information, specifications, legal information, and other critical data across all corporate documents.

Our interactive online demo in C# will help you personally test all the capabilities of professional text search and replace in documents. To get started, simply upload your DOCX file to our secure cloud platform, set the necessary search/replace strings, and click the process button. Download the modified DOCX document back to your device for verification.

C#
Run code
Upload your document
Select the target format from the list
using Wordize.Replacing;

Replacer.Replace("Input.docx", "Output.pdf", "Text or RegEx", "Text or RegEx");
using Wordize.Replacing;

Replacer.Replace("Input.docx", "Output.pdf", new Regex(@"Text or RegEx"), "Text or RegEx");
Run code

How to find and replace text in documents using C#

  1. Install Wordize for .NET
  2. Add a reference to the library (import the library) in your C# project
  3. Create a query for finding and replacing text with the required parameters
  4. Execute the find and replace operation in the document

System Requirements

Our product is fully cross-platform and supports all major .NET implementations:

  • .NET ≥ 5.0
  • .NET Core ≥ 2.0
  • .NET Standard ≥ 2.0
  • .NET Framework ≥ 3.5
  • MonoMac
  • MonoAndroid
  • Xamarin

As far as .NET code doesn't depend on the underlying hardware or operating system, but only on a Virtual Machine, you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.

We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop integrated development environments to create C#, F#, VB.NET applications.

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