Plus or + or ''

[chriskolenko]

Anyway to allow a +

To the best of my memory it's a valid url character.

[chriskolenko]

Maybe something like this:

    s = s.replace(/[^\w\s-$.+!'(),]/g, "").trim().toLowerCase();

Based on the allowed URL characters: http://stackoverflow.com/questions/1856785/characters-allowed-in-a-url