An alternative directly using a regexp is to use the URI::URL (or even just the URI) module. This module is especially handy when when dealing with and manipulating URLs. 
use URI::URL;
my $url = URI::URL->new('http://www.merchandisemarket.net/shop/s_image
+s/aaa_small.gif ')
my ($filename) = ($url->path_segments)[-1];

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In reply to Re: regex a url by count0
in thread regex a url by andrew

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