Variable comparison bash

I want to set a variable to use for a comparison that contains special characters . " / and aswell as quotes within the string it has quotes at the outside. It's the filter field in multipath


If  [[ ' grep -v '#'  | grep field .............' == "$VAR" ]]; then

Ps sorry cant get backticks on this ipad

I can see with set -x that the comparison look identical but I think there may be some hidden chars - I guessed newline but still no joy. Any idea how to view any hidden chars with echo or something else ?
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you can pipe the output to command od

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lolaferrariAuthor Commented:
Ooh thanks but I don't know od
grep -v '#'  | grep field ............ | od -a
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