Use Multiple Triggers In Jquery Autocomplete Using Mutiple Datasets

I am trying to implement twitter/facebook like auto-complete on a textarea. Now Till now i have implemented it for single trigger '@'. But I want it to work for 2 triggers '@' and

Solution 1:

In your second example, you have two arrays data1 and data2, yet you're telling the .autocomplete() that the data source is data (the line reads: source: data) - which is undefined.