For this, use find() along with //i. Let us create a collection with documents −
> db.demo696.insertOne({Message:"/Good/"}); { "acknowledged" : true, "insertedId" : ObjectId("5ea6d664551299a9f98c9391") } > db.demo696.insertOne({Message:"(good)"}); { "acknowledged" : true, "insertedId" : ObjectId("5ea6d67a551299a9f98c9392") } > db.demo696.insertOne({Message:"/Bye/"}); { "acknowledged" : true, "insertedId" : ObjectId("5ea6d68b551299a9f98c9393") } > db.demo696.insertOne({Message:"(GOOD)"}); { "acknowledged" : true, "insertedId" : ObjectId("5ea6d693551299a9f98c9394") }
Display all documents from a collection with the help of find() method −
> db.demo696.find();
This will produce the following output −
{ "_id" : ObjectId("5ea6d664551299a9f98c9391"), "Message" : "/Good/" } { "_id" : ObjectId("5ea6d67a551299a9f98c9392"), "Message" : "(good)" } { "_id" : ObjectId("5ea6d68b551299a9f98c9393"), "Message" : "/Bye/" } { "_id" : ObjectId("5ea6d693551299a9f98c9394"), "Message" : "(GOOD)" }
Following is the query to escape regexp −
> db.demo696.find({Message:/good/i});
This will produce the following output −
{ "_id" : ObjectId("5ea6d664551299a9f98c9391"), "Message" : "/Good/" } { "_id" : ObjectId("5ea6d67a551299a9f98c9392"), "Message" : "(good)" } { "_id" : ObjectId("5ea6d693551299a9f98c9394"), "Message" : "(GOOD)" }