Why does the following code return "not found!"? 
$a = 'dog';
$b = 'doghouse';
if($a =~ /$b/){print "<p>found";}
else{print "<p>not found!";}

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Thank you so much.

Update: Nevermind! I figured it out. Thanks so much.

In reply to searching a string by keiusui

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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