fuzzy searching with JavaScript

matches.js

var matches = function(string, q) {
    q = q.toLowerCase().replace(/[^\w]/g, '');
    var inner = function(string, q) {
        if (q.length) {
            var i = string.indexOf(q[0]);
            return i > -1 ? inner(string.substr(i), q.substr(1)) : false;
        }
        return true;
    };
    return inner(string.toLowerCase(), q);
};