from the we'll-get-there-eventually dept.
MarkWhittington writes: Russia has made no secret of its desire to land cosmonauts on the lunar surface sometime in the late 2020s. As the United States, at least for the current administration, has decided to bypass the moon in favor of Mars, Russia could move to wipe out the humiliation it suffered at the hands of NASA when it lost the 1960s race to the moon with the landing of Apollo 11 on July 20, 1969. However, a story in TASS suggests that a Russian moon landing effort would be complex, requiring up to six launches of its Angara rocket.
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals