Javascript Regexp loop all matches

Question

I\'m trying to do something similar with stack overflow\'s rich text editor. Given this text:

[Text Example][1]

[1][http://www.example.com]

I

Answer 1

Here we're using exec method, it helps to get all matches (with help while loop) and get position of matched string.

    var input = "A 3 numbers in 333";
    var regExp = /\b(\d+)\b/g, match;
    while (match = regExp.exec(input))
      console.log("Found", match[1], "at", match.index);
    // → Found 3 at 2 //   Found 333 at 15