Split string and keep the separator

Question

I\'m writing a chrome extension, and I need to split a string that contains only text and img tags, so that every element of the array is either letter or img tag. For example,

Answer 1

You can use exec instead of split to obtain the separated elements:

var str = 'abcd';
var myRe = /]*>|[a-z]/gi;
var match;
var res= new Array();

while ((match = myRe.exec(str)) !== null) {
    res.push(match[0]);
}
console.log(res);