The information given is very brief to help you.
You could start to convert the original json string to JSON tree online with Erel's tool at https://www.b4x.com/android/forum/threads/jscriptengine.35781/. Then you can see if the original JSON string is error-free and you have the correct code to edit the JSON strings.
The backslash indicates that the next character should treated "as is" (not as a special character).
This is called escaping. If you want to keep the slash, then escape that by doubling it.
You'll still have to escape the quotes.
The backslash indicates that the next character should treated "as is" (not as a special character).
This is called escaping. If you want to keep the slash, then escape that by doubling it.
You'll still have to escape the quotes.