Update sites.inc

inc/sites.inc

@@ -642,7 +642,7 @@ SITEINFO(){
 	gosite=${NM_NGINXPATH[${RUN_NODE_TYPE}]}/sites-enabled
 	declare -A SITELIST
 	if [ "${gosite}" != "" ]; then
-		if ! [[ ${SEARCH} =~ '^[0-9]+$' ]]; then
+		if [ "${SEARCH}" != "0" ]; then
 			sites=$(find ${gosite}/*${SEARCH,,}*.conf)
 		else
 			sites=$(find ${gosite}/*.conf)