<a href="https://google.com/">google</a>

[URL=https://google.com/]google[/URL]
[url=https://google.com/]google[/url]

--- RARE ---
[link=https://google.com/]google[/link]
[link name=google]https://google.com/[/link]
((https://google.com/))
((https://google.com/ google))
[https://google.com/ google]
[[https://google.com/ google]]
[L=google]https://google.com/[/L]
"google":https://google.com/
[google](https://google.com/)