-Checking- {sCity}/{sCategory} --> #^/([a-z]{1})/(.+?)/(.+?)(?:/|$)# : /a/4092899/electronics_3/view,list--<pre>Array
(
    [0] => /a/4092899/electronics_3/
    [1] => a
    [2] => 4092899
    [3] => electronics_3
)
</pre><!-- 0.00178599357605 seg. -->