Fix #10858: CSS regexps recognize non-integer and explicit positive numbers.
Fix #10858: CSS regexps recognize non-integer and explicit positive numbers.

isaacs/jquery,isaacs/jquery,Karyotyper/jquery,Karyotyper/jquery,fat/jquery,roytoo/jquery,Karyotyper/jquery,demetr84/Jquery,sancao2/jquery,jcutrell/jquery,eburgos/jquery,dtjm/jquery,gnarf/jquery,jquery/jquery,praveen9102/Shazam,jquery/jquery,diracdeltas/jquery,demetr84/Jquery,diracdeltas/jquery,sancao2/jquery,jquery/jquery,hoorayimhelping/jquery,eburgos/jquery,praveen9102/Shazam,fat/jquery,chitranshi/jquery,npmcomponent/component-jquery,RubyLouvre/jquery,quiaro/request-agent,npmcomponent/component-jquery,gnarf/jquery,eburgos/jquery,RubyLouvre/jquery,jcutrell/jquery,rwaldron/jquery,sancao2/jquery,hoorayimhelping/jquery,roytoo/jquery,rwaldron/jquery,diracdeltas/jquery,dtjm/jquery,chitranshi/jquery,roytoo/jquery