*repeats the group contents below any number of times:
\h*any horizontal whitespace character, repeated any number of times
-the literal - (4510 / 558 / 2D16)
|the literal | (12410 / 1748 / 7C16)
+the literal + (4310 / 538 / 2B16)
\/the literal / (4710 / 578 / 2F16)
\h*any horizontal whitespace character, repeated any number of times
\d+a digit, repeated at least once