e now reached can be discarded, and after
the next segment has been added to what is retained, you should run the next
match with the <b>startoffset</b> argument set so that the match begins at the
same point as before.
</P>
<P>
For example, if the pattern "(?&#60;=123)abc" is partially matched against the
string "xx123ab", the ovector offsets are 5 and 7 ("ab"). The maximum
lookbehind count is 3, so all characters before offset 2 can be discarded. The
value of <b>startoffset</b> for the next match should b