Aug 11, 2021 · The data would probably have been posted originally from a web form looking a bit like this (but probably much more complicated):

Oct 23, 2013 · %5B and %5D are the url-encoded values of [and ]. This should be encoded like it is in your example. The problem seems to be that you are unable to reach the server. Try to reach the server in any way. Maybe open the URL in your favorite browser or telnet to it: telnet my.server.com 80

Aug 22, 2012 · %5B is the encoded version of [. The '0' you have there is a literal zero and not part of the encoded data. The %5D is the encoded version of ]. So it seems you may have unintentionally encoded [0] (and then [1]) instead of []. –

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May 17, 2013 · where %5B represents [and %5D represent ] look for [0] in your php . Share. Improve this answer. Follow ...

Jun 12, 2021 · java.lang.IllegalArgumentException: Illegal base64 character 5b. Ask Question Asked 3 years, 8 months ago.

Jun 4, 2014 · So what you're doing is effectively double-serializing the data. Once here: var form_data = $("#form").serialize();

Jul 9, 2017 · From the 4B/5B encoding scheme dataward 0000 in encoded to 11110 codeword similarly 0001 is encoded to 01001 etc. Here the result of XOR operation between two codewords will be another valid codeword. For example XOR of 11110 and 01001 is another codeword 10111 whose dataword is 1011.Here I have no problem.

Jun 9, 2022 · It's the ASCII keycode in hexadecimal for a comma (,).You should use your language's URL encoding methods when placing strings in URLs.

I've been experimenting with the various methods .NET provide for URL encoding. Perhaps the following table will be useful (as output from a test app I wrote):