Philippe Rochat <mlrochat(at)lbdsun(dot)epfl(dot)ch> writes:
> I think there is a prob with regexp, which is comparing one less
> character as it should. Below is an example. Result is that last
> character is omitted !
Possibly there is a problem with your understanding of regexp patterns
... but all those matches look valid to me. See
http://www.postgresql.org/devel-corner/docs/postgres/functions-matching.html
for more info.
regards, tom lane