</P>
<br><a name="SEC8" href="#TOC1">ISSUES WITH MULTI-SEGMENT MATCHING</a><br>
<P>
Certain types of pattern may give problems with multi-segment matching,
whichever matching function is used.
</P>
<P>
1. If the pattern contains a test for the beginning of a line, you need to pass
the PCRE2_NOTBOL option when the subject string for any call does start at the
beginning of a line. There is also a PCRE2_NOTEOL option, but in practice when
doing multi-segment matching you should be using PCRE2_PARTIAL_HARD, whi