Update powerwall.sh

powerwall.sh

@@ -37,7 +37,7 @@ CHECKTEMP(){
 		
 	for SENSOR in ${PW_SENSOR_ORD[@]}; do
 		
-		if [ "${search}" == "" ] || [[ "${SENSOR,,}" =~ *"${search,,}"* ]]; then
+		if [ "${search}" == "" ] || [[ "${SENSOR,,}" = *"${search,,}"* ]]; then
 			
 			if [ "${PW_SENSOR_TYPE[${SENSOR}]}" == "esxi" ]; then
 				vHOSTiDRACIP=${PW_HOST_IDRACS[${SENSOR}]}