Parse string which contains multiple JSON data strings

Question

I'm facing a problem where I could not find a good looking approach to parse one string which contains multiple JSON strings, as in {content1}{content2}{content3}.

What is a good approach to parse this string so the result would be:

{content1} {content2} {content3}

Maybe something with Regex?

I would look into JSON.NET for parsing JSON strings into objects. — Caleb Keith
– Caleb Keith, Commented Mar 26, 2013 at 15:11
@CuongLe This is just an example. The important part is the curly brackets, which would be used for the algorithm to know where one JSON starts and the other ends. — Bruno Klein
– Bruno Klein, Commented Mar 26, 2013 at 15:16
But can't the content bits also contain curly brackets, if they are supposed to be JSON? — Peter Herdenborg
– Peter Herdenborg, Commented Mar 26, 2013 at 15:27

cuongle · Accepted Answer · 2013-03-26 16:12:31Z

2

Maybe you can use string.Split:

var output = input.Split(new[] {'{', '}'}, StringSplitOptions.RemoveEmptyEntries)
                  .Select(x => "{" + x + "}")
                  .ToList();

edited Mar 26, 2013 at 16:12

answered Mar 26, 2013 at 15:15

cuongle

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2 Comments

Peter Herdenborg Over a year ago

Out of curiosity, and for other who stumble upon this answer, what does that actually do?

cuongle Over a year ago

@PeterHerdenborg: The code has shown what actually does, I can add the link for more clear

MarcinJuraszek · Accepted Answer · 2013-03-26 15:15:18Z

0

You can use RegEx:

string input = "{content1}{content2}{content3}";
var matches = Regex.Match(input, "(?:({[^}]+}) *)*");
string[] contents = matches.Groups[1].Captures.Cast<Capture>().Select(c => c.Value).ToArray();

answered Mar 26, 2013 at 15:15

MarcinJuraszek

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3 Comments

Peter Herdenborg Over a year ago

In a case like { foo: { bar: 'null' } }{...}{...}, wouldn't your regexp stop matching prematurely, i.e. at the first } that it encounters?

MarcinJuraszek Over a year ago

Yes, it would. But sample input does not show any case like that.

Peter Herdenborg Over a year ago

Well, it seems there were no curly brackets inside after all.

Peter Herdenborg · Accepted Answer · 2013-03-26 15:18:20Z

0

If you know for sure that each JSON part is an object literal, I guess you can simply split the string on }\s*{, as that could never occur inside valid JSON.

answered Mar 26, 2013 at 15:18

Peter Herdenborg

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