Call-time pass-by-reference has been deprecated

[eluser]phparif[/eluser]
I have following error :

A PHP Error was encountered
Severity: 8192
Message: Call-time pass-by-reference has been deprecated
Filename: libraries/DuetCS.php
Line Number: 55

My 55 line is:
while (preg_match("{\\b $rexProtocol $rexDomain $rexPort $rexPath $rexQuery $rexFragment (?=[?.!,;:\"]?(\s|$))}", $text, &$match, PREG_OFFSET_CAPTURE, $position)){}