[javascript] Convert string with commas to array

_x000D_
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var i = "[{a:1,b:2}]",_x000D_
    j = i.replace(/([a-zA-Z0-9]+?):/g, '"$1":').replace(/'/g,'"'),_x000D_
    k = JSON.parse(j);_x000D_
_x000D_
console.log(k)
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_x000D_
_x000D_

// => declaring regular expression

[a-zA-Z0-9] => match all a-z, A-Z, 0-9

(): => group all matched elements

$1 => replacement string refers to the first match group in the regex.

g => global flag

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