It is definitely worth getting acquainted
How to use Findstr Windows command with examples
To the uninitiated, a pattern search tool like findstr may seem useless. But if you're dealing with system-generated log files or command line output with hundreds of lines of text, findstr is exactly the tool you need.
Users of a Linux operating system are already familiar with the incredible utility of the Grep command, and findstr fulfills a similar role in Microsoft Windows. You can combine it with other commands using pipes or simply run it directly to parse multiple text files. Let’s see how findstr works with a few examples.
findstr SFC example1.txt