Merge branch 'add-systemdunit' into 'master'

fix _list when filtering by -r REGEX

See merge request !171

check_systemdunit

@@ -103,7 +103,7 @@ fi
 # --- find a service by regex
 if ph.hasParamoption "r" "$@" ; then
   _regex="${2}"
-  _list=$( _getUnits | awk '{ print $1 }' | grep -v '[^a-z\.\-]' | sort )
+  _list=$( _getUnits | awk '{ print $1 }' | sort )
   _unit=$( grep -E "$_regex" <<< "$_list" )
 
   if [ -z "$_unit" ]; then