var Template = new Class({

    Implements: Options,
    
    options: {
        'before': '%',
        'after': '%'
    },
    
    initialize: function(string, options){
        this.string = string;
        this.setOptions(options);
        this.regExp = new RegExp(this.options.before.escapeRegExp() + '([\\w-]+)' + this.options.after.escapeRegExp(), 'g');
    },
    
    parse: function(data){
        var options = this.options;
        return this.string.replace(this.regExp, function(match){
            return $pick(data[match.substring(options.before.length, match.length - options.after.length)], '');
        });
    }
    
});