Why don't you just trust in the internal trie optimization?

Update: eg compare Re: How to tokenize string by custom dictionary? (+code)

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Wikisyntax for the Monastery

In reply to Re^3: Looking for a cleaner regex (trie) by LanX
in thread Looking for a cleaner regex by k-man

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