JSON array is unable to transmit a String having backslash

i am tranmitting a message via JSONArray but ge开发者_如何学Gotting reponse code 500. reason is that My Message String contains a character '\'.

String s="apples $54\KG"

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Backslash is an escape character. Use \\ instead. There is a JSON.stringify function too that might help.

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back slash charahter is not supproted by GSM.