Forums  /  Introductions  /  Hi all. What is the Formatting used in replies?

I'm new and can't seem to see what formatting I'm meant to use to do things like make stuff bold, underlined, etc.
Anyone got a good reference or link?
Thanks, look forward to submitting a few runs

(edited: )

this forum used to use full BBCode as seen here although the switch to Markdown is in progress currently, so stuff like [b] will already get converted to two * (can't get it to display two, because it thinks I'm trying to display literal nothingness in ítalics) and so on.