This URL #### $html =~ s/(.*?)/&change($1, $2, $3)/isge; print $html; sub change { my ( $group, $temp, $url, $hyp, @groups ); $url = @_[0]; $hyp = @_[2]; @groups = split( /,/@_[1] ); foreach $group (@groups) { if ($group == $usergroup) { $temp = "$hyp"; return $temp; } return $hyp; } }