Please see Re^6: [OT] The interesting problem of comparing bit-strings. for the problems of finding bitstring needles that cross byte boundaries using byte-wise operations.

In brief, you need to perform two (different) byte compares using two different byte masks at each of 7 different offsets (with different masks and comparison values for each) for every byte in the haystack in order to locate a single byte needle.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
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In reply to Re^6: [OT] The interesting problem of comparing bit-strings. (More info.) by BrowserUk
in thread [OT] The interesting problem of comparing bit-strings. by BrowserUk

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