\text{\textbar}The symbol \text{\textbar} represents a vertical bar, often used in mathematical expressions and text formatting. It can denote absolute value, conditional probability, or serve as a separator in various contexts.
Absolute value of a number
\text{\textbar}a\text{\textbar} = aConditional probability notation
P(A \text{\textbar} B) = 0.5Set notation with elements separated by vertical bars
x \in \{1 \text{\textbar} 2 \text{\textbar} 3\}