[{_id:"61add3b16c9e0008e6ad325b",shop:"someshop",shopUserData:{name:"LoTesting",email:"vixen@yahoo.com"},productData:{title:"Eyglo 3-in-1 Head Strap for Oculus Quest 2 with Face Silicone Cover & Controllers Grips Covers",price:45.99,priceWithCurrency:"$45.99",images:["img1.png","img2.png"],ASIN:"B08TWJJ3ZW",marketPlace:"www.amazon.com",settings:[{}],shopifyProductId:87187377131097},created_at:"2021-12-06T09:11:13.327Z"},{_id:"61ae236cac749b088d427497",shop:"someshop",shopUserData:{name:"LoTesting",email:"test@gmail.com"},productData:{title:"Xbox Series X",description:"Amazon Prime customers will have priority access to the Xbox Series X until November 24, 2021.",price:"price not available",priceWithCurrency:"price not available",images:["img3.png","img4.png"],ASIN:"B08H75RTZ8",marketPlace:"www.amazon.com",settings:[{}],shopifyProductId:5736818278172},created_at:"2021-12-06T14:51:24.755Z"},{_id:"61ae236cac749b088d447497",shop:"someshop",shopUserData:{name:"LoTesting",email:"test@gmail.com"},productData:{title:"Some Text -- User Input -- Some more Text",description:"Some Description",price:"price not available",priceWithCurrency:"price not available",images:["img3.png","img4.png"],ASIN:"B08H75RTZ8",marketPlace:"www.amazon.com",settings:[{}],shopifyProductId:5736818278172},created_at:"2021-12-06T14:51:24.755Z"},{_id:"61ae236cac749b088d447499",shop:"someshop",shopUserData:{name:"LoTesting",email:"test@gmail.com"},productData:{title:"some text, UsEr InPuT , some more text",description:"Some Description",price:"price not available",priceWithCurrency:"price not available",images:["img3.png","img4.png"],ASIN:"B08H75RTZ8",marketPlace:"www.amazon.com",settings:[{}],shopifyProductId:5736818278172},created_at:"2021-12-06T14:51:24.755Z"},]

db.collection.find({shop:"someshop","productData.title":{$regex:"user input",$options:"i"}})