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<title>pcre_fullinfo specification</title> |
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<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB"> |
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<h1>pcre_fullinfo man page</h1> |
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Return to the <a href="index.html">PCRE index page</a>. |
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</p> |
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<p> |
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This page is part of the PCRE HTML documentation. It was generated automatically |
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from the original man page. If there is any nonsense in it, please consult the |
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man page, in case the conversion went wrong. |
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<br> |
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<br><b> |
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SYNOPSIS |
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</b><br> |
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<b>#include <pcre.h></b> |
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</P> |
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<P> |
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<b>int pcre_fullinfo(const pcre *<i>code</i>, const pcre_extra *<i>extra</i>,</b> |
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<b>int <i>what</i>, void *<i>where</i>);</b> |
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</P> |
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<br><b> |
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DESCRIPTION |
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</b><br> |
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This function returns information about a compiled pattern. Its arguments are: |
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<pre> |
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<i>code</i> Compiled regular expression |
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<i>extra</i> Result of <b>pcre_study()</b> or NULL |
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<i>what</i> What information is required |
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<i>where</i> Where to put the information |
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</pre> |
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The following information is available: |
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PCRE_INFO_BACKREFMAX Number of highest back reference |
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PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns |
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PCRE_INFO_DEFAULT_TABLES Pointer to default tables |
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PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or |
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-1 for start of string |
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or after newline, or |
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-2 otherwise |
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PCRE_INFO_FIRSTTABLE Table of first bytes (after studying) |
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PCRE_INFO_JCHANGED Return 1 if (?J) was used |
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PCRE_INFO_LASTLITERAL Literal last byte required |
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PCRE_INFO_NAMECOUNT Number of named subpatterns |
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PCRE_INFO_NAMEENTRYSIZE Size of name table entry |
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PCRE_INFO_NAMETABLE Pointer to name table |
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PCRE_INFO_OKPARTIAL Return 1 if partial matching can be tried |
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PCRE_INFO_OPTIONS Option bits used for compilation |
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PCRE_INFO_SIZE Size of compiled pattern |
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PCRE_INFO_STUDYSIZE Size of study data |
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</pre> |
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The yield of the function is zero on success or: |
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<pre> |
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PCRE_ERROR_NULL the argument <i>code</i> was NULL |
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the argument <i>where</i> was NULL |
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PCRE_ERROR_BADMAGIC the "magic number" was not found |
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PCRE_ERROR_BADOPTION the value of <i>what</i> was invalid |
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</PRE> |
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</P> |
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<P> |
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There is a complete description of the PCRE native API in the |
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<a href="pcreapi.html"><b>pcreapi</b></a> |
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page and a description of the POSIX API in the |
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<a href="pcreposix.html"><b>pcreposix</b></a> |
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page. |
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<p> |
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Return to the <a href="index.html">PCRE index page</a>. |
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</p> |
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