if (userGroups.size() != 0) {
if (userGroups[0] != "all") {
//check that groups are valid
for (int i = 0; i < userGroups.size(); i++) {
if (isValidGroup(userGroups[i], allGroups) != true) {
if (userGroups.size() != 0) {
if (userGroups[0] != "all") {
//check that groups are valid
for (int i = 0; i < userGroups.size(); i++) {
if (isValidGroup(userGroups[i], allGroups) != true) {