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Asked: 2026-06-09T03:29:21+00:00

is there any way to validate a string to be json or not ?

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is there any way to validate a string to be json or not ? other than try/catch .

I’m using ServiceStack Json Serializer and couldn’t find a method related to validation .

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1 Answer

  1. Editorial Team

    Probably the quickest and dirtiest way is to check if the string starts with ‘{‘:

    public static bool IsJson(string input){ 
    input = input.Trim(); 
    return input.StartsWith("{") && input.EndsWith("}")  
           || input.StartsWith("[") && input.EndsWith("]"); 
}

    Another option is that you could try using the JavascriptSerializer class:

    JavaScriptSerializer ser = new JavaScriptSerializer(); 
SomeJSONClass = ser.Deserialize<SomeJSONClass >(json);

    Or you could have a look at JSON.NET:

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