-Checking- {sCity}/{sCategory} --> #^/([a-z]{1})/(.+?)/(.+?)(?:/|$)# : /a/6007990/services_3/view,gallery--<pre>Array
(
    [0] => /a/6007990/services_3/
    [1] => a
    [2] => 6007990
    [3] => services_3
)
</pre><!-- 0.00196599960327 seg. -->