Merge branch 'cherry-pick-5ccf6106' into '1.1.22'

Merge branch '343-build-system-use-regex-for-the-system-check' into 'master'

See merge request Pmodules/src!338

Pmodules/modbuild.in

@@ -1235,8 +1235,8 @@ build_modules_yaml_v1(){
 
 			local -- system
 			for system in "${systems[@]}"; do
-				[[ "${opt_system}" == ${system} ]] && return 0
-				[[ "${HOSTNAME}" == ${system} ]] && return 0
+				[[ "${opt_system}" =~ ${system} ]] && return 0
+				[[ "${HOSTNAME}" =~ ${system} ]] && return 0
 			done
 			std::info "Skipping variant '${module_version}', neither OS nor hostname match:"
 			std::info "  This system: ${opt_system}; hostname: ${HOSTNAME}"