findstr

findstr

Syntax
findstr [/b] [/e] [/l] [/r] [/s] [/i] [/x] [/v] [/n] [/m] [/o] [/p] [/offline] [/g:file] [/f:file] [/c:string] [/d:dirlist] [/a:ColorAttribute] [strings] [[Drive:][Path] FileName [...]]
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Parameters
/b   : Matches the pattern if at the beginning of a line.
/e   : Matches the pattern if at the end of a line.
/l   : Uses search strings literally.
/r   : Uses search strings as regular expressions. Findstr interprets all metacharacters as regular expressions unless you use /l.
/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 file name if a file contains a match.
/o   : Prints seek offset before each matching line.
/p   : Skips files with non-printable characters.
/offline   : Processes files with offline attribute set.
/f: file   : Reads file list from the specified file.
/c: string   : Uses specified text as a literal search string.
/g: file   : Gets search strings from the specified file.
/d: dirlist   : Searches a comma-delimited list of directories.
/a: ColorAttribute   : Specifies color attributes with two hexadecimal digits.
strings   : Specified text to be searched for in FileName.
[ Drive : ][ Path ] FileName [...] : Specifies a file or files to search.