Hi Sergei Shibanov,
PFB my answer of your queries.
Is it possible use only first two lines for reproduce issue?
Answer- Yes
Answer - htmlString as read html from file as string and pass it, which I have shared.
Htm…...#=zvd0uFOc=, Boolean #=zIjiqPnLA16SOSueI0Q==, Boolean #=z8Fuf$yo=)...anlcpyvy2fYq #=zvd0uFOc=, Boolean #=zIjiqPnLA16SOSueI0Q==) at...