what is the best way to extract variables with '=' from a string in javascript

Question

I want to extract the variables names from a string like this: \"foo=valor bar=second\", and so on.

To return:

{ 
   foo: \"valor\", 
   ba         


        

Answer 1

You can use Regex Look Aheads to check for a variable name that is preceded by an = symbol

var str = "foo=valor bar=second";
var varRegex = /\w+(?=(\s)*(\=))/g;
var valueRegex = /(?<=(\=)[\s'"]*)\w+/g;

var varArr = str.match(varRegex);
var valueArr = str.match(valueRegex);
console.log(valueArr);

let obj = {};
for(let i in varArr) {
  obj[varArr[i]] = valueArr[i];
}

console.log(obj);