Patch made and tested OK.
Merge proposed here: https://code.launchpad.net/~pierre-equoy/checkbox/fix-1489817-audio-settings-volume-regexp/+merge/269838
Patch made and tested OK.
Merge proposed here: https:/ /code.launchpad .net/~pierre- equoy/checkbox/ fix-1489817- audio-settings- volume- regexp/ +merge/ 269838