ptargrep: add page (#7050)

pages/common/ptargrep.md

@@ -0,0 +1,20 @@
+# ptargrep
+
+> Find regular expression patterns in one or more tar archive files.
+> More information: <https://manned.org/ptargrep>.
+
+- 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}}`