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Developer(s)Microsoft, ReactOS Contributors
Operating systemMicrosoft Windows, ReactOS

In computing, findstr is a command in the command line interpreters (shells) of Microsoft Windows[1][2] and ReactOS. It is used to search for a specific text string in computer files. The command sends the specified lines to the standard output device.[3][4]


FINDSTR flags strings [drive:][path]filename[...]


  • flags This can be any combination of flags described below.
  • strings Text to be searched for.
  • [drive:][path]filename Specifies a file or files to search.


  • /B Matches pattern if at the beginning of a line.
  • /E Matches pattern if at the end of a line.
  • /L Uses search strings literally.
  • /R Uses search strings as regular expressions.
  • /S Searches for matching files in the current directory and all subdirectories.
  • /I Specifies that the search is not to be case-sensitive.
  • /X Prints lines that match exactly.
  • /V Prints only lines that do not contain a match.
  • /N Prints the line number before each line that matches.
  • /M Prints only the filename if a file contains a match.
  • /O Prints character offset before each matching line.
  • /P Skip files with non-printable characters.
  • /OFF[LINE] Do not skip files with offline attribute set.
  • /A:attr Specifies color attribute with two hex digits. See "color /?"
  • /F:file Reads file list from the specified file(/ stands for console).
  • /C:string Uses specified string as a literal search string.
  • /G:file Gets search strings from the specified file(/ stands for console).
  • /D:dir Search a semicolon delimited list of directories

Note: Following command displays the detailed help about this command:



Save your running services into file _services.txt and search in this file for lines containing word "network" - case insensitive:

  @echo off
  set searchstr=network
  net start>_services.txt  
  FINDSTR /I "%searchstr%" _services.txt

output would be:

 Network Connections
 Network List Service
 Network Location Awareness
 Network Store Interface Service
 Windows Media Player Network Sharing Service
Press any key to continue . . .

See also[edit]