Question

31

How to get the nth occurrence in a string?

rated 0 times [ 38] [ 7] / answers: 1 / hits: 148747 / 12 Years ago, wed, january 23, 2013, 12:00:00

I would like to get the starting position of the 2nd occurrence of ABC with something like this:

var string = XYZ 123 ABC 456 ABC 789 ABC;

getPosition(string, 'ABC', 2) // --> 16

How would you do it?

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monica

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2 Years ago

answered 12 Years ago irvingcarloe · Accepted Answer

const string = XYZ 123 ABC 456 ABC 789 ABC;



function getPosition(string, subString, index) {

  return string.split(subString, index).join(subString).length;

}



console.log(

  getPosition(string, 'ABC', 2) // --> 16

)