completely on a side note, if i understand what you're trying to do,
i'd give a thought of using []+ vs []*. []+, when results correctly
tested, would give you some protection against possible screwed up
names, 'cause []+ wouldn't match for null parts and the like, should
you have some hiccups (hey, you never know with lotus!).
re> /^([^_]+)_([^\/]+)\/InfoTL\.RZV@vit\.de$/
data> Michael_Jakscht/InfoTL.RZV@??? 0: Michael_Jakscht/InfoTL.RZV@???
1: Michael
2: Jakscht data> _/InfoTL.RZV@??? No match
data>