| 1 |
nigel |
63 |
.TH PCRE 3 |
| 2 |
|
|
.SH NAME |
| 3 |
|
|
PCRE - Perl-compatible regular expressions |
| 4 |
|
|
.SH SYNOPSIS |
| 5 |
|
|
.rs |
| 6 |
|
|
.sp |
| 7 |
|
|
.B #include <pcre.h> |
| 8 |
|
|
.PP |
| 9 |
|
|
.SM |
| 10 |
|
|
.br |
| 11 |
|
|
.B int pcre_fullinfo(const pcre *\fIcode\fR, "const pcre_extra *\fIextra\fR," |
| 12 |
|
|
.ti +5n |
| 13 |
|
|
.B int \fIwhat\fR, void *\fIwhere\fR); |
| 14 |
|
|
|
| 15 |
|
|
.SH DESCRIPTION |
| 16 |
|
|
.rs |
| 17 |
|
|
.sp |
| 18 |
|
|
This function returns information about a compiled pattern. Its arguments are: |
| 19 |
|
|
|
| 20 |
|
|
\fIcode\fR Compiled regular expression |
| 21 |
|
|
\fIextra\fR Result of \fBpcre_study()\fR or NULL |
| 22 |
|
|
\fIwhat\fR What information is required |
| 23 |
|
|
\fIwhere\fR Where to put the information |
| 24 |
|
|
|
| 25 |
|
|
The following information is available: |
| 26 |
|
|
|
| 27 |
|
|
PCRE_INFO_BACKREFMAX Number of highest back reference |
| 28 |
|
|
PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns |
| 29 |
|
|
PCRE_INFO_FIRSTBYTE Fixed first byte for a match, or |
| 30 |
|
|
-1 for start of string |
| 31 |
|
|
or after newline, or |
| 32 |
|
|
-2 otherwise |
| 33 |
|
|
PCRE_INFO_FIRSTTABLE Table of first bytes |
| 34 |
|
|
(after studying) |
| 35 |
|
|
PCRE_INFO_LASTLITERAL Literal last byte required |
| 36 |
|
|
PCRE_INFO_NAMECOUNT Number of named subpatterns |
| 37 |
|
|
PCRE_INFO_NAMEENTRYSIZE Size of name table entry |
| 38 |
|
|
PCRE_INFO_NAMETABLE Pointer to name table |
| 39 |
|
|
PCRE_INFO_OPTIONS Options used for compilation |
| 40 |
|
|
PCRE_INFO_SIZE Size of compiled pattern |
| 41 |
|
|
|
| 42 |
|
|
The yield of the function is zero on success or: |
| 43 |
|
|
|
| 44 |
|
|
PCRE_ERROR_NULL the argument \fIcode\fR was NULL |
| 45 |
|
|
the argument \fIwhere\fR was NULL |
| 46 |
|
|
PCRE_ERROR_BADMAGIC the "magic number" was not found |
| 47 |
|
|
PCRE_ERROR_BADOPTION the value of \fIwhat\fR was invalid |
| 48 |
|
|
|
| 49 |
|
|
There is a complete description of the PCRE API in the |
| 50 |
|
|
.\" HREF |
| 51 |
|
|
\fBpcreapi\fR |
| 52 |
|
|
.\" |
| 53 |
|
|
page. |