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Asked: 2026-05-14T01:48:55+00:00

I have a string like 20090101 and I want to compare it with ????01??

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I have a string like 20090101 and I want to compare it with ????01??.

if (input == "----01--") { .... }

How can I compare the 5th and 6th characters with “01”?

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1 Answer

  1. Editorial Team

    you should create a regex expression. to check if the 4th and 5th byte is 01, you can write

    var r = new Regex("^.{4}01$");
if(r.Match(str) ...) ...
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