s not related to
the bit size of the underlying hardware. In a 64-bit environment that also
supports 32-bit applications, versions of PCRE2 that are compiled in both
64-bit and 32-bit modes may be needed.
</P>
<P>
The original work to extend PCRE to 16-bit and 32-bit code units was done by
Zoltan Herczeg and Christian Persch, respectively. In all three cases, strings
can be interpreted either as one character per code unit, or as UTF-encoded
Unicode, with support for Unicode general category properties. Uni