RegexRenamer is described as 'Powerful but simple user-friendly graphical tool used to batch rename files using regular expressions. A regular expression (or regex) is simply text that contains special characters that together defines a pattern that can be used to match text, in this case' and is a File Renamer in the file management category. There are more than 50 alternatives to RegexRenamer for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best RegexRenamer alternative is Bulk Rename Utility. It's not free, so if you're looking for a free alternative, you could try Bulk Rename Utility or Ant Renamer. Other great apps like RegexRenamer are ReNamer, Keep It Shot, Rename X Pro and ScreenshotMagic.