matchAll.js

if (typeof RegExp.prototype.matchAll !== "function") {
    RegExp.prototype.matchAll = function(v) {
        var tmp     = ""+ this, // So this.toString
            src     = tmp.lastIndexOf("/"),
            pattern = tmp.substring(1, src),
            flags   = tmp.substring(src + 1, tmp.length);
        
        // Never forget "g", that prepends infinite loops for "while"
        if (flags.indexOf("g") == -1) {
            flags += "g";
        }
        
        var re = new RegExp(pattern, flags);
        var ms = [], m;
        while (m = re.exec(v)) {
            ms.push(m);
        }
        return ms;
    };
}