I don't think so. What do our transatlantic cousins call a "?" - question point or question mark or query or something else entirely ? And I use shriek rather than bang.
I was aware it was a slash. I was taking the piss...
However I didn't know it could refer to the pipe symbol
Thought I'd look up other names for backslash:
It is sometimes called a hack, whack, escape (from C/UNIX), reverse slash, slosh, downwhack, backslant, backwhack, bash, reverse slant, and reversed virgule