-Checking- {sCity}/{sCategory} --> #^/([a-z]{1})/(.+?)/(.+?)(?:/|$)# : /a/1001488/real-estate/view,gallery--<pre>Array
(
    [0] => /a/1001488/real-estate/
    [1] => a
    [2] => 1001488
    [3] => real-estate
)
</pre><!-- 0.00302815437317 seg. -->