{ "\\.pdf$": "zathura", "\\.svg$": "inkscape", "\\.(jpg|png|tiff|gif)$": "imv", "\\.(mp3|ogg|flac|wav|wma)$": "musikcube", "\\.(avi|mp4|mkv|mov|wav)$": "mpv", "\\.(doc|docx|xls|xlsx)$": "libreoffice" }