Create javascript array of arrays from string (which contains strings)

Question

I have the following string

['Value',2],['Value2',4],['Value3',10]

I would like to convert this to javascript array. I should be able to

var tmpStrings = "['Value',2],['Value2',4],['Value3',10]";     
var arrStrings = JSON.parse("[" + tmpStrings + "]");

Unfortunately I get unexpected character errors. I thought that it might be the single quotes but escaping them doesn't change anything. Int seems to work fine, the below runs for me fine

var tmpInts = "[4,2],[5,3],[6,3]"; 
var arrInts = JSON.parse("[" + tmpInts + "]");

Can you show the expected result. It's not 100% clear that you want an array of arrays, though I suspect you do. — Popnoodles
– Popnoodles, Commented Jun 15, 2014 at 2:54
You can invert it var tmpStrings = '["Value",2],["Value2",4],["Value3",10]'; — helderdarocha
– helderdarocha, Commented Jun 15, 2014 at 2:58

thefourtheye · Accepted Answer · 2014-06-15 02:59:41Z

3

JSON will not accept '. So, you need to change that to double quotes, like this

console.log(JSON.parse("[" + tmpStrings.replace(/'/g, '"') + "]"));
# [ [ 'Value', 2 ], [ 'Value2', 4 ], [ 'Value3', 10 ] ]

We are just replacing all the ' in the string to double quotes.

Warning: This would replace ' with ", even if it appears in the middle of the string.

answered Jun 15, 2014 at 2:59

thefourtheye

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