-Checking- {sCity}/{sCategory} --> #^/([a-z]{1})/(.+?)/(.+?)(?:/|$)# : /a/1000964/vehicles_3/view,gallery--<pre>Array
(
    [0] => /a/1000964/vehicles_3/
    [1] => a
    [2] => 1000964
    [3] => vehicles_3
)
</pre><!-- 0.00187492370605 seg. -->