-Checking- {sCity}/{sCategory} --> #^/([a-z]{1})/(.+?)/(.+?)(?:/|$)# : /a/433013/tickets_2/view,gallery--<pre>Array
(
    [0] => /a/433013/tickets_2/
    [1] => a
    [2] => 433013
    [3] => tickets_2
)
</pre><!-- 0.00178289413452 seg. -->