Having no space between pattern and following word is deprecated at
D:\anyPath\anyFile.pl line 17.
Unmatched ( in regex; marked by <-- HERE in 
m/
(?:
<div class="listRow">
.*?
(?:class="productLink" href="(.*?)")
.*?
( <-- HERE ?:<span class="product">.*?<span>(.*?)</  
at D:\Developement\Perl\Harvester\test.pl line 17.