> I think it would be faster to OR the entire string with itself, then finally c... | Hacker News

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		vardump on May 16, 2018 \| parent \| context \| favorite \| on: Validating UTF-8 strings using as little as 0.7 cy... > I think it would be faster to OR the entire string with itself, then finally check the 8th bit though. The string could have NUL (zero) bytes in between.

zbjornson on May 16, 2018 [–]

You're right that it changes the behavior vs. what the current implementation is, but 0x0 is a valid ASCII character.

vardump on May 16, 2018 | [–]

While you're technically right NUL is a part of ASCII set in practise it's rarely wanted in the data.

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