Answers for "mongodb query to replace value of all documents"

mongo change all documents on field

//Update all documents with "oldName" to "newName"
db.names.updateMany({ "name": "oldName" }, {  $set: { "name" : "newName" }  })

Posted by: Guest on June-01-2020

mongodb replace string

db.mycollection.find({}).forEach((doc, index) => {
  doc.myStr = doc.myStr.replace('foo', 'bar');
  db.mycollection.save(doc);
});

Posted by: Guest on December-19-2020

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