Curriculum order problem

I am currently going through Javascript Algorithms And Data Structures Certification, specifically Regular Expressions and I noticed that sometimes I get tasks whose solution requires knowledge presented only in later lessons. This is not the first time for me, just that here I encountered it quite a lot of times. I suspect it has to do with how the lessons were ordered. Is there any way I can get admins to correct that?

if you mean that in the hints there are things that first appear in the curriculum later, that’s normal - the hints are made by other users and often use a variety of things
but all the regex challenges can be solved with things taught previously

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Well this could explain it partly. However I do feel that in some cases it could be order problem…and it will be great if it can be resolved.

Would you like to do some examples?