lastweek regexp

lastweek regexp

HTML

<textarea cols="80" rows="10">adas [artist|album] asdadsasd</textarea>

<ul id="list"></ul>

JavaScript

// http://rubular.com/r/ttRoGHrtm4 - [album artist="Deftones"]White Pony[/album]
// http://rubular.com/r/EwIjLAb6cr - [Deftones|White Pony]
// http://rubular.com/r/p5l0rlJVI1 - multi [Deftones|White Pony]

var textarea = $$('textarea')[0],
    list = document.id('list');

textarea.addEvents({
    keyup: function(){
        var exp = /\[(.*)\|(.*)\]/;
        if (this.get('value').test(exp)){
            info = this.get('value').match(exp);
            Element('li', {
                text: info[1] + ' - ' + info[2]
            }).inject(list);
        }
    }
});