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I want to incorporate a link as a footnote to my latex text that contains a special character. That link is the following one:

http://www.robots.ox.ac.uk/~vgg/research/cross-modal-emotions/

And the special character is ~. I tried to incorporate the symbol in my text using the following: $\~$ however, I got an error that I could not do that. I tried also to use \sim however, with that symbol I could not open the correct url. Any idea how can I add it in my text?

Phelype Oleinik
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Jose Ramon
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    Use the url or hyperref package (hyperref loads url automatically, so no need to load both; url without hyperref will not link the URL) and write \url{http://www.robots.ox.ac.uk/~vgg/research/cross-modal-emotions/}. – moewe Mar 25 '19 at 16:48
  • Ah well, URLs in footnotes are much tricker if they contain special characters such as ~. You can use \urldef if you also want additional text in the footnote (works with url or hyperref), see https://tex.stackexchange.com/q/12230/35864, or something like \makeatletter \newcommand\fnurl@[1]{\footnote{\url@{#1}}} \DeclareRobustCommand{\fnurl}{\hyper@normalise\fnurl@} \makeatother (works only with hyperref), see https://tex.stackexchange.com/q/12855/35864. – moewe Mar 26 '19 at 11:26

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