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For example:

let array = ["1234","5678"]

this array of values should be converted to the following string -

"[\"1234\",\"5678\"]"

Although I found answer here - Objective-C - How to convert NSString to escaped JSON string? but it doesn't look clean. Is there some cleaner way to do this ?

I am able to get this output - "["one","two"]" using 

NSJSONSerialization.dataWithJSONObject

but how to have backslashes in between of strings?

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Ajay Kumar
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  • @Eric Aya I am able to convert my array into strings i.e this output - "["one","two"]" , but how to add escaped characters ? – Ajay Kumar Feb 03 '17 at 15:06
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    In the string `["one","two"]`, the `"`'s *are* characters which have been escaped (that's why they appear in the string itself, rather than delimiting separate strings). Try doing `print("[\"1234\",\"5678\"]")` – you'll get an output of `["one","two"]`. Now try doing `debugPrint("[\"1234\",\"5678\"]")` – Swift will insert backslashes into the output to show that the `"` characters are part of the actual string. You don't need to "add escaped characters". – Hamish Feb 03 '17 at 15:18
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    @AjayKumar This is a common mistake: you don't need to do that unless your server is badly configured - and then you would have to fix the server, not to circumvent the issue from client side. // And don't forget that anyway you should send JSON **data** to a server, not a String in JSON format. – Eric Aya Feb 03 '17 at 15:22

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