More robust and shortend egrep

dnsapi/dns_opnsense.sh

@@ -150,7 +150,7 @@ _get_root() {
       return 1
     fi
     _debug h "$h"
-    id=$(echo "$_domain_response" | _egrep_o "\"[^\"]*\":{\"enabled\":\"1\",\"type\":{\"master\":{\"value\":\"master\",\"selected\":1},\"slave\":{\"value\":\"slave\",\"selected\":0}},\"masterip\":{\"[^\"]*\":{[^}]*}},\"transferkeyalgo\":{[^{]*{[^{]*{[^{]*{[^{]*{[^{]*{[^{]*{[^{]*{[^}]*}},\"transferkey\":\"[^\"]*\"(,\"allownotifyslave\":{\"\":{[^}]*}},|,)\"domainname\":\"${h}\"" | cut -d ':' -f 1 | cut -d '"' -f 2)
+    id=$(echo "$_domain_response" | _egrep_o "\"[^\"]*\":{\"enabled\":\"1\",\"type\":{\"master\":{\"value\":\"master\",\"selected\":1},\"slave\":{\"value\":\"slave\",\"selected\":0}},\"masterip\":{\"\":{[^}]*}}(,\"allownotifyslave\":{\"\":{[^}]*}},|,)\"domainname\":\"${h}\"" | cut -d ':' -f 1 | cut -d '"' -f 2)
     if [ -n "$id" ]; then
       _debug id "$id"
       _host=$(printf "%s" "$domain" | cut -d . -f 1-$p)