-Checking- {sCity}/{sCategory} --> #^/([a-z]{1})/(.+?)/(.+?)(?:/|$)# : /a/8533083/tickets_4/view,gallery--<pre>Array
(
    [0] => /a/8533083/tickets_4/
    [1] => a
    [2] => 8533083
    [3] => tickets_4
)
</pre><!-- 0.00188183784485 seg. -->