String Fuzzy Search

fuzzysearch.js

'use strict';

function fuzzySearch (subject, pattern) {
    var i = 0, n = -1, l;

    subject = subject.toLowerCase();
    pattern = pattern.toLowerCase();

    for (; l = pattern[i++];)
      if (!~(n = subject.indexOf(l, n + 1)))
        return false;
    return true;
}