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<title>pcre_fullinfo specification</title>
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<h1>pcre_fullinfo man page</h1>

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This page is part of the PCRE HTML documentation. It was generated automatically
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SYNOPSIS
 

#include &#60;pcre.h&#62;


int pcre_fullinfo(const pcre *code, const pcre_extra *extra,
int what, void *where);

 
DESCRIPTION
 

This function returns information about a compiled pattern. Its arguments are:
<pre>
 code Compiled regular expression
 extra Result of pcre_study() or NULL
 what What information is required
 where Where to put the information
</pre>
The following information is available:
<pre>
 PCRE_INFO_BACKREFMAX Number of highest back reference
 PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
 PCRE_INFO_DEFAULT_TABLES Pointer to default tables
 PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or
 -1 for start of string
 or after newline, or
 -2 otherwise
 PCRE_INFO_FIRSTTABLE Table of first bytes (after studying)
 PCRE_INFO_JCHANGED Return 1 if (?J) or (?-J) was used
 PCRE_INFO_LASTLITERAL Literal last byte required
 PCRE_INFO_MINLENGTH Lower bound length of matching strings
 PCRE_INFO_NAMECOUNT Number of named subpatterns
 PCRE_INFO_NAMEENTRYSIZE Size of name table entry
 PCRE_INFO_NAMETABLE Pointer to name table
 PCRE_INFO_OKPARTIAL Return 1 if partial matching can be tried
 (always returns 1 after release 8.00)
 PCRE_INFO_OPTIONS Option bits used for compilation
 PCRE_INFO_SIZE Size of compiled pattern
 PCRE_INFO_STUDYSIZE Size of study data
</pre>
The yield of the function is zero on success or:
<pre>
 PCRE_ERROR_NULL the argument code was NULL
 the argument where was NULL
 PCRE_ERROR_BADMAGIC the "magic number" was not found
 PCRE_ERROR_BADOPTION the value of what was invalid
</PRE>


There is a complete description of the PCRE native API in the
<a href="pcreapi.html">pcreapi</a>
page and a description of the POSIX API in the
<a href="pcreposix.html">pcreposix</a>
page.

Return to the <a href="index.html">PCRE index page</a>.

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