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Asked: 2026-05-17T17:09:25+00:00

I know that I can use regex to match substrings in a string, but

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I know that I can use regex to match substrings in a string, but is it possible to match some patterns in binary data using regex? If so then in what format should the binary data be – binary array, stream, or something else?

edit:

well to explain i have binary data that shouldnt have some strings inside but the data itself is binary so i need to detect this pattern of data so i mark this data as invalid.
but i couldnt convert this binary data to string since it would be invalid. maybe only to some char[] or something.

edit:

now i am thinking maybe converting the binary data to a basic encoding (any hints on which is the most basic encoding available? certainly not unicode, i think ascii?) and then i will use regex.
but the question would i be able to convert any binary data to string using this encoding or i will encounter some cases which will be invalid and will cause exceptions when converting the binary data to string.

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1 Answer

  1. Editorial Team

    The technical answer to your question is yes, since you could just treat the binary data as a string of a particular encoding, but I don’t believe that’s what you’re asking.

    If you’re asking if there’s a library designed to do pattern matching on an array of bytes, then the .NET regex system will not do this and there isn’t such a library that I’m aware of.

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