al match: gsb
</pre>
5. Patterns that contain alternatives at the top level which do not all start
with the same pattern item may not work as expected when PCRE2_DFA_RESTART is
used. For example, consider this pattern:
<pre>
  1234|3789
</pre>
If the first part of the subject is "ABC123", a partial match of the first
alternative is found at offset 3. There is no partial match for the second
alternative, because such a match does not start at the same point in the
subject string. Attempting to continue with 