-Checking- {sCity}/{sCategory} --> #^/([a-z]{1})/(.+?)/(.+?)(?:/|$)# : /a/8616605/barter_1/view,list--<pre>Array
(
    [0] => /a/8616605/barter_1/
    [1] => a
    [2] => 8616605
    [3] => barter_1
)
</pre><!-- 0.00189208984375 seg. -->