RegExecCtxtPtr</a> exec, <br/>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** string, <br/>					 int * nbval, <br/>					 int * nbneg, <br/>					 <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** values, <br/>					 int * terminal)<br/>
</pre><p>Extract error informations from the regexp execution, the parameter @string will be updated with the value pushed and not accepted, the parameter @values must point to an array of @nbval string pointers on return nbval will contain the numbe