Something like, 
if ($this_portion_of_string_is_a_url) {
  $this_portion_of_string_is_a_url =
    qq(<a href="$this_portion_of_string_is_a_url">$this_portion_of_str
+ing_is_a_url</a>);
}

[download]
?

But, you may want to borrow from Pod::Html a subroutine called make_URL_href: 

sub make_URL_href($){
    my( $url ) = @_;
    if( $url !~
        s{^(http:[-\w/#~:.+=&%@!]+)(\?.*)$}{<a href="$1$2">$1</a>}i ){
        $url = "<a href=\"$url\">$url</a>";
    }
    return $url;
}

[download]

Update: fixed paragraph

Open source softwares? Share and enjoy. Make profit from them if you can. Yet, share and enjoy!

In reply to Re: Creating links in the URLs in a text paragraph by naikonta
in thread Creating links in the URLs in a text paragraph by Anonymous Monk

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