dnGrep is an open-source Windows search and replacement tool that can find files, Regex, XPath, and text in documents more effectively. Search for text files, Word documents, PDF, and archives using text, regular expressions, XPath, and voice queries.

dnGrep includes search and replacement, the entire file preview, right-click search in File Explorer, and so on.
This software has three installation modes: normal installation, custom installation and full installation. You can choose the installation mode according to your needs.
dnGrep v3.1.197.0 features:

• Search across text files, Word documents, PDFs, and archives
• Search using text, regular expressions (regex), XPath, and phonetics
• Search-and-replace, including undo
• Whole-file preview
• Move/copy/delete result files
• Open line results in a custom editor, like Notepad++
• Bookmark search patterns for later use

Size: 6.5 MB
License: Open Source
Requirements: Windows 11|10|8|7
The author’s web link:https://dngrep.github.io/