| - Tex Command

NAME

| - pipe character; vertical bar; absolute value.

{ | }

| is used as pipe character; vertical bar; absolute value. It acts as non-stretchy when used alone; stretchy when used with left or ight.

|x|

|frac ab|

$ |frac ab| $

left|frac ab
ight|

$ left|frac ab ight| $

{x | xinBbb Z}

$ {x | xinBbb Z} $

{x,|,xinBbb Z}

$ {x,|,xinBbb Z} $