 pcre2_regfree(regex_t *<i>preg</i>);</b>
</p>
<h2><a name="SEC2" href="#TOC1">DESCRIPTION</a></h2>
<p>
This set of functions provides a POSIX-style API for the PCRE2 regular
expression 8-bit library. There are no POSIX-style wrappers for PCRE2's 16-bit
and 32-bit libraries. See the
<a href="pcre2api.html"><b>pcre2api</b></a>
documentation for a description of PCRE2's native API, which contains much
additional functionality.
</p>
<p>
<b>IMPORTANT NOTE</b>: The functions described here are NOT thread-safe, a