Here's another approach... also more in keeping with today's norms (be sure to review and understand davido's code in the Q&A section) and NOT reliant on assumptions about the order in which the coder constructed the image link (see Re: Return multiple matches in file).

my @string = qq 'img src="';
push @string, qq 'alt="';  
  # We're going to do the matching <b>* ONE *</b> step at a time, for 
+reasons cited above.
  # Hence, the array (which could have been created all on one line) 
  # which does NOT assume the order (in the source data) of the search
+ terms.

open (my $INFILE, '<', 'htmFOR909469.html') or die "Can't open htmFOR9
+09469.html ", $!;
my $text = join('',<$INFILE>);
close ($INFILE);

for my $string (@string) {
    while ( $text =~ /$string([^\"]*)/gis ) {
          # Regex matches and captures anything after $string that is 
+NOT a double quote
        print "Found: $1 --- Searchterm was: $string \n";
    }
}
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