Full-text search is basically a more advanced way to search a text/query over a collection of documents. This approach quickly finds all instances of a term and it works by using text indexes. In this article, we will learn, how to programmatically search full-text in documents using C#.
Search Text in Word, Excel, PDF, ZIP and other Document Formats using C# .NET
We often need a full-text search API that enables our applications to search through documents for particular information specified as a textual search query. The documents can be of any format such as Word (Doc, Docx), PDF, HTML, EPUB, Spreadsheet (XLS, XLSX), Presentation (PPT, PPTX), images, and videos.