adding grep comments from html

[tamimhasan404]

No description provided.

[c4ir0]

_ No description provided. _
good work, but actually the results are little messy :

try this
curl -s http://testhtml5.vulnweb.com | tr -d '\n' | grep -Po "(?U)<\!--.+-->"

[tamimhasan404]

Thank you for the help here is the final one
curl -s https://HOST | tr -d '\n' | grep -Po "(?U)<\!--.+-->"