foo some string bar unneeded data foo another string bar data data foo     bar data data foo s   bar data foo string bar data data data foo    bar   data foo 123 string bar

##</code><code>##

$matches[0] = some string
$matches[1] = another string
$matches[2] =
$matches[3] = s
$matches[4] = string
$matches[5] =
$matches[6] = 123 string