A regular expression that determines which files are acted on by the this PTA. Reflection for Secure IT runs the PTA whenever the filter expression you specify matches the absolute path of a successfully uploaded file.
Use .* (the default) to trigger the action after every file upload.
If you use the Browse button to locate folders on the server, the path is entered automatically, including the required escape characters, and appended with .* (dot star). This configures the server to run the PTA after any file is uploaded to the selected folder or any of its subfolders.
If you manually enter a path, use a backslash escape character (\) before any characters in the path that have a special meaning in regular expression syntax. For example, usa a slash to escape the backslashes in the Windows path and the dot preceding a file extension, as shown here: