Re^2: retain longest multi words units from hash (updated)

Greetings King of RegEx-Obfuscation! ;-)

What would be the average length of $word for 1 million entries? 10 MB?

Cheers Rolf
_{(addicted to the Perl Programming Language :)

Wikisyntax for the Monastery
FootballPerl is like chess, only without the dice}

==== Update

you can improve preformance if you sort by number of whitespaces first and only add to $word in chunks of strings with the same number of whitespaces.

There is no point searching in an n word string being included in another n-word string.

Particularly you can stop searching once you reached the one word strings.

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