a+

##</code><code>##

(?:a{1,32766})+

##</code><code>##

/\G (?: \s++ | \# .*+ )++ /xgc

##</code><code>##

/\G (?: (?: \s++ | \# .*+ ){1,32766}+ )+ /xgc

##</code><code>##

/\G
   (?: (?:
        (?: \s{1,32766}+ )++
      | \# (?: .{1,32766}+ )*+

   ){1,32766}+ )+
/xgc