title: Throwing error while parsing- org.bson.json.JsonParseException: Invalid escape sequence in JSON string '\Q'
body: <p>I need to parse json string to Document to store in mongodb.
  When i am going to parse json string using Document.parse(jsonStr), if jsonstr contains "\" then it will throw  org.bson.json.JsonParseException: Invalid escape sequence in JSON string '\Q'.</p>
  
  <h1>Sample Code</h1>
  
  <pre><code>String json="{'a':'as\\Qd'}"; //Json String with "\"
  Document doc = Document.parse(json);//Going to parse jsonstring which has "\"
  System.out.println(doc.toJson());
  </code></pre>