VerticalBar 
VerticalBar[x,y,…]
displays as .
Details

- VerticalBar[x,y,…] has no built-in meaning.
is by default interpreted as VerticalBar[x,y].
can be entered as \[VerticalBar] or
␣|
.
Examples
Basic Examples (1)
Wolfram Research (1996), VerticalBar, Wolfram Language function, https://reference.wolfram.com/language/ref/VerticalBar.html.
Text
Wolfram Research (1996), VerticalBar, Wolfram Language function, https://reference.wolfram.com/language/ref/VerticalBar.html.
CMS
Wolfram Language. 1996. "VerticalBar." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/VerticalBar.html.
APA
Wolfram Language. (1996). VerticalBar. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/VerticalBar.html