Hi,

I need to traverse an array, and compare value of the array with the values 
in mongodb. However, I want to match a pattern starting with array value 
and not the exact value. For example: arr[0] is "John", I want to find all 
values in mongodb users table whose name start with "John". For this, I can 
write a query as "collection.find({name*:/^John/*})". However, if I want to 
do this query in a loop for all the elements of array "arr", how can that 
be achieved?


var arr=[];
arr=["John","Rahel","George"];
     
MongoClient.connect('mongodb://127.0.0.1:27017/MyDatabase', function(err, 
db){
var collection = db.collection('users'); // Assume that numbers is a table 
in mongodb
for(var i=0;i<arr.length;i++)
{

              
       collection.find({name*:/^arg[i]/*}).toArray(function(err, result)
       {
                        //do something
        }

}
}

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