Node Express Mongoose : writing API to search data by multiple optional params

node.js regex express mongoose mean-stack

Instead of:

Profile.find({ mid: nameRegex } ||             { firstName: nameRegex } ||             { lastName: nameRegex }, function (err, data) {    // ...});

use:

Profile.find({$or: [    { mid: nameRegex },    { firstName: nameRegex },    { lastName: nameRegex }]}, function (err, data) {    // ...});

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