-Checking- {sCity}/{sCategory} --> #^/([a-z]{1})/(.+?)/(.+?)(?:/|$)# : /a/4990484/مجتمع--<pre>Array
(
    [0] => /a/4990484/مجتمع
    [1] => a
    [2] => 4990484
    [3] => مجتمع
)
</pre><!-- 0.00179600715637 seg. -->