findstr command in windows

options	illustrate
/l	Processes search strings literally.
/r	Processes search strings as regular expressions. This is the default setting.
/s	Searches the current directory and all subdirectories.
/i	Ignores the case of the characters when searching for the string.
/x	Prints lines that match exactly.
/v	Prints only lines that do not contain a match.
/n	Prints the line number of each line that matches.
/m	Prints only the file name if a file contains a match.
/o	Prints character offset before each matching line.

some examples:

• findstr /c:”hello world” hello.txt
  —————————-search string “hello world” in hello.txt file

• findstr /n /i /r /c:”<.*>” movie.html > result.out
  —————————-find the pattern(regulation expression) in movie.html file and ouput the result to result.out file

• findstr /n /i /s aba *.txt
  ——————————find string “aba” in all files in the current directory and its subdirectory

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