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Regex Match

GVNPublic123 asked
Last Modified: 2012-06-21

lets say I have a $variable with content of:
<input type="hidden" name="dsh" id="dsh" value="5651071537274271064" />

I want to use preg_match() so I get a match of  5651071537274271064

I tried
if(preg_match('~(?<=dsh\" value=\")([^\"]+)~', $response, $matches2) > 0)
                  echo "DSG for this session is: " . $matches2[0] . "<br />";
                  $dsh =      $matches2[0];      

But it doesnt work. HELP!
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