SharePoint people picker prevent select everyone group

script.js

function PreSaveAction() {
		try {
			var selectedValues = JSON.parse($('[id*="$ClientPeoplePicker_HiddenInput"]').val()),
				returnValue = true;
			for(i=0; i < selectedValues.length; i++){ 
				var selectedValue = selectedValues[i];
				if(selectedValue.IsResolved && (selectedValue.ProviderName == "AllUsers" || selectedValue.Key == "c:0(.s|true")){
					returnValue = false;
				}
				if(!selectedValue.IsResolved && (selectedValue.Key.toLowerCase() == "tout le monde" || selectedValue.Key == "الجميع")){
					returnValue = false;
				}
			}
		} catch(e){
		}
		return returnValue;
	}