String prototype function that matches a sequence to a string if the string contains all characters in the sequence. (E.g. "love" matches "like a glove")

matchesSequence.js

if (!String.prototype.matchesSequence) {
  String.prototype.matchesSequence = function(sequence) {
    if (!sequence) return false;
    if (sequence === "") return true;
    var pattern = sequence.split("").join(".*");
    var exp = new RegExp(pattern);
    return exp.test(this);
  };
}