I want to sort this thing after string1

It's not very clear exactly what you want to do. This will sort the hash by the values associated with 'key1' in each sub-hash.

foreach my $key (sort { $hash->{$a}{key1} cmp $hash->{$b}{key1} } keys
+ %$hash) {
  ...
}

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In reply to Re: sort hash after value from hash in hash by davorg
in thread sort hash after value from hash in hash by ocs

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