The articles in this section describe advanced indexing topics.
You will find details about indexing options, indexing documents from various sources, updating, deleting and merging documents and indexes, index optimization and integrity, as well as text processing during indexing:
Character replacement during indexing Character types Checking index integrity Custom text extractors Custom text segmenter Delete indexed documents Delete indexed paths Document attributes Document filtering during indexing Document renaming Extraction in separate process Indexing additional fields Indexing from different sources Indexing metadata of documents Indexing options Indexing password protected documents Indexing reports Indexing with stop words Logging Merge indexes OCR support Optimize index Separate data extraction Storing text of indexed documents Text file encoding detection Update index More resources GitHub examples You may easily run the code from documentation articles and see the features in action in our GitHub examples:...Assembly Product Solution GroupDocs...
This article demonstrates how to save specific page range when annotating documents using GroupDocs.Annotation for Java API....Assembly Product Solution GroupDocs...
GroupDocs.Redaction supports both types of image documents for Optical Character Recognition (OCR):
image files, such as printed document scans (PNG, JPG, etc.) embedded images within office documents (PDF, DOCX, etc.) You have to implement IOcrConnector interface and pass the instance to RedactorSettings constructor.
For more details, see OCR Usage Basics article.
OCR usage limitations There are the following limitations of the OCR with GroupDocs.Redaction for Java v21.6:
textual replacements are not supported, so you have to use color box replacements to redact text in images....Assembly Product Solution GroupDocs...
Use GroupDocs.Merger for Node.js via Java to merge several documents into one, split single document to multiple and organize documents in different ways....Assembly Product Solution GroupDocs...
Les dernières corrections et mises à jour de GroupDocs.Redaction pour .NET 25.9 publiées en septembre 2025. Disponibles sur NuGet et le site web de GroupDocs....direct – Téléchargez les assemblies GroupDocs.Redaction depuis...
Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....Assembly。 版本 26.8 提供了首個公開的 Node.js...
Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....Assembly。 GroupDocs.Search for .NET...
GroupDocs.Comparison for .NET developer documentation. Learn how to diff docx, pptx, and compare pdf files using C#....Assembly Product Solution GroupDocs...
GroupDocs.Search for .NET 26.6 fügt Unterstützung für Indizes größer als 1TB hinzu, jetzt auf NuGet verfügbar....Laden Sie die kompilierten Assemblies für .NET von der offiziellen...