If you are familiar with UNIX/Linux operating system, you must be using a lot of "grep" command to search for string inside text files, and "sed" command to find and replace string in the text files.
There are identical command in Windows such as "find", "findstr" or even the PowerShell "Select-String", but they are just not as easy to use as "grep" in UNIX/Linux.
There are also GUI tools for Windows which aim to perform the "grep" and "sed" function, majority of the good ones need you to pay for it, except dnGrep which is licensed under GNU GPL v2 and is therefore free for use.
dnGrep is indeed a very powerful find and/or replace tool for Windows. It can not only search for text or keywords inside the target file(s), but also able to perform a text replace action in target text file(s).
Beside normal text files, it is also able to search inside MS Word documents and PDF files. It can also search inside archived file.
You can perform your search by plain text input, or XPath query language, or regular expression (regex), or even phonetic.
You can also specify to search for files in a folder (and sub-folders) within a particular date range in which they are created or last modified.
The search result is displayed with yellow background highlight, together with the line number in the target document. Double click on the search result will open up the target document for further action.
The beauty of its replace function is that, the replace action can be undone.
You can also create "bookmarks" to store frequently used search keywords and conditions.
dnGrep is lightweight, fast in action, powerful and free for use. It is an essential 3-party tool in your Windows computers.
Click here to go to the download page of dnGrep.
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