How can I use "How can I use regex to copy each word of a string into a hash?"?

I'm really boring. I take bits of code for my repository; this looks useful for repeated word searching in a string^*, by using a cache.

I'm off to write functionality (and benchmark) so the first search uses regex: subsequent searches the hash.

^*Provided your only need to test for existence.

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Brother Frankus.

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