emphasised text, bold text, strikethrough and inline code.
for ii=1:3
disp('Code block (no highlighting)')
end % for ii
For examples
_emphasised text_, *bold text* and ~strikethrough~
https://wa.me/#phonenumber_here#
https://wa.me/#phonenumber_here#?text=encoded%20text%20here
Useful link for encoding: https://www.urlencoder.io/