I have been very happy with PAC as a terminal/SSH manager but the selection always bugged me. Just noticed it has a configuration option that I am going to try.
https://sourceforge.net/p/pacmanager/discussion/1076054/thread/5bed3904/
Select-by-word characters:
From: \.:_\/-A-Za-z0-9
To: -_.:\/A-Za-z0-9
Update: 12/12/16
Changed to: -_.:\/A-Za-z0-9