Regex to Remove Relativity Numbering on Downloaded PDFs

Relativity has an annoying habit of appending numbers to the beginning of PDFs that you download from a workspace. So, files can be named with either a 1, 2, or 3 digit number followed by an underscore, and the document identifier or field selected to name the file. E.g.:




Using Bulk Rename Utility you can use this regular expression search to remove the numbering, so the files are only named with the Bates numbers:


In the replace box simply enter:


The search for the numbers with the underscore are separated in parentheses from the second part also in parentheses which searches for any number of characters.

Contact Me With Your Litigation Support Questions:

  • Twitter Long Shadow

© 2015 by Sean O'Shea . Proudly created with