How to say… match when field is a number… in mongodb?

Question

So I have a field called \'city\' in my results...the results are corrupted, some times it\'s an actual name, sometimes it\'s a number. The following code displays all the recor

Answer 1

Simply use:

db.zips.aggregate([
{$match: {
    'city': { $regex: '^[0-9].*'}
}}])

This work fine for me!