Regex should work in any Windows version, if it doesn't work try running as admin and/or change compatibility mode to Windows 7 or 8.
Assuming PartyPoker labels their tables same as WPT Poker (same network), this one should work for NLHE cashgames at least:
If this doesn't work, post some window titles of the tables you want to use with PlaceMint and I can have a look. Open PlaceMint, go to tools > configure > details grabber and click to select window to get your title.