As mentioned in the ChatterBox, you want redo. 
foreach $key (sort (keys(%myHash))) {
   ...

   if (condition) {
      # Start over without advancing.
      # $key retains its current value.
      redo;
   }

   ...
}

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In reply to Re: Backing up in a foreach loop. by ikegami
in thread Backing up in a foreach loop. by ramziabboud

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