Item Extension Only: If checked, the operation will only apply to the file or folder’s extension and not its name.

Item Name Only: If checked, the operation will only apply to the file or folder’s name and not its extension.

Enumerate Items: This will add a number, counting upward, to the end of each file that is renamed.

For example, if you select a directory that has files within sub-folders, those will not be affected.

Exclude Subfolder Items: This excludes items in selected sub-folders from rename operations.

Exclude Folders: If this is checked, the operation will only apply to files and not folders.

Exclude Files: If this is checked, the operation will only apply to folders and not files.

With this checked, all instances of the search term will be replaced.

Match All Occurrences: Normally, only the first instance of the search term is replaced (from left to right).

For example, the term “dog” would match different results than “Dog.”

Case Sensitive: This option makes searches sensitive, whether the letters are capital or lowercase.

Use Regular Expressions: This allows the use of powerful search strings known as regular expressions, which can enable very in-depth or complex search-and-replace operations.It turns out that the script only modifies up to 9 files at a time.

Friends, I need to rename pdf files to a certain standard.

Batch rename files