How come my effort to evade quotation marks in JSON isn't successful?

When trying to parse a JSON-string using the JQuery.parseJSON function, I encountered an error message that read:

Uncaught SyntaxError: Unexpected token R
. This was unusual as the only uppercase 'R' in my JSON-formatted string appeared right after an escaped quotation mark (... \"R ...). It seemed like too much of a coincidence for it to be caused by anything else. I double-checked my syntax against json.org but couldn't find any errors.

UPDATE:

To troubleshoot, I manually removed all instances of \" in a hardcoded test and successfully formatted the string into a valid Javascript object. So, it's clear that \" is causing the issue...

var myObject = $.parseJSON(myString);

UPDATE 2:

I've displayed the problematic section of my string both with and without the issue. First, the problematic one:

{"lineID":33,"boxID":10,"title":"My text with the \"Ruining Part\""}

And now, the working version:

{"lineID":33,"boxID":10,"title":"My text with the Ruining Part"}

Lastly, here's how I format my JavaBean object into a JSON string.

String jsonObjectAsString = new Gson().toJson(myJavaBeanObject);

Answer №1

To ensure proper parsing of your string, make sure to escape the backslash if it is hardcoded. This will ensure that the final string contains a single backslash followed by a double quote. Failure to do so may lead the browser to interpret it as an attempt to escape a double quote within the string, which would have no effect.

Therefore, your updated string should look like this:

...\\"R...

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