, 'tn', 'tx', 'ut', 'va', 'vt', 'wa', 'wi', 'wv', 'wy');
        return ArrayUtil.contains(states, state.toLowerCase()) == 1;
    }
    
    /**
        Determines if string contains search string.
        
        @param source: String to search in.
        @param search: String to search for.
        @return Returns &lt;code>true&lt;/code> if source string contains search string; otherwise &lt;code>false&lt;/code>.
    */
    public static function contains(source:String, search:String):Boolean {
        