# ptargrep > Find regular expression patterns in one or more tar archive files. > More information: . - Search for a pattern within a tar file: `ptargrep "{{search_pattern}}" {{path/to/file}}` - Search for a pattern within multiple files: `ptargrep "{{search_pattern}}" {{path/to/file1}} {{path/to/file2}} {{path/to/file3}}` - Extract to the current directory using the basename of the file from the archive: `ptargrep --basename "{{search_pattern}}" {{path/to/file}}` - Search for a case-insensitive pattern matching within a tar file: `ptargrep --ignore-case "{{search_pattern}}" {{path/to/file}}`