View duplicates.js
function getDuplicates(str) | |
{ | |
var duplicates = ""; | |
while (str.length > 0) { | |
// Adds a placeholder for the string at the current position before we run replace | |
var cur_str = str; | |
// Searches for all instances of char in string and replaces them with nothing | |
var regex = new RegExp(str[0], "g"); |