Regexp for quote and smile

Here is regular expression for quotes of computer geeks (like “that”)

(\`).*.(\’)+

And here regexp for smiles

[;:]-[)/(|]

I use the following strings in my .muttrc for getting pretty nice color selection of quotes and smiles

color body yellow black “(\`).*.(\’)+”

color body yellow default “[;:]-[)/(|]“

I think, bugs in these regexps present.. I’m not regexp guru. Comments?