/[pcre]/code/trunk/doc/pcre_compile2.3
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Contents of /code/trunk/doc/pcre_compile2.3

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Revision 1404 - (show annotations)
Tue Nov 19 15:36:57 2013 UTC (20 months, 1 week ago) by ph10
File size: 4330 byte(s)
Error occurred while calculating annotation data.
Source tidies for 8.34-RC1.
1 .TH PCRE_COMPILE2 3 "01 October 2013" "PCRE 8.34"
2 .SH NAME
3 PCRE - Perl-compatible regular expressions
4 .SH SYNOPSIS
5 .rs
6 .sp
7 .B #include <pcre.h>
8 .PP
9 .nf
10 .B pcre *pcre_compile2(const char *\fIpattern\fP, int \fIoptions\fP,
11 .B " int *\fIerrorcodeptr\fP,"
12 .B " const char **\fIerrptr\fP, int *\fIerroffset\fP,"
13 .B " const unsigned char *\fItableptr\fP);"
14 .sp
15 .B pcre16 *pcre16_compile2(PCRE_SPTR16 \fIpattern\fP, int \fIoptions\fP,
16 .B " int *\fIerrorcodeptr\fP,"
17 .B " const char **\fIerrptr\fP, int *\fIerroffset\fP,"
18 .B " const unsigned char *\fItableptr\fP);"
19 .sp
20 .B pcre32 *pcre32_compile2(PCRE_SPTR32 \fIpattern\fP, int \fIoptions\fP,
21 .B " int *\fIerrorcodeptr\fP,£
22 .B " const char **\fIerrptr\fP, int *\fIerroffset\fP,"
23 .B " const unsigned char *\fItableptr\fP);"
24 .fi
25 .
26 .SH DESCRIPTION
27 .rs
28 .sp
29 This function compiles a regular expression into an internal form. It is the
30 same as \fBpcre[16|32]_compile()\fP, except for the addition of the
31 \fIerrorcodeptr\fP argument. The arguments are:
32 .
33 .sp
34 \fIpattern\fP A zero-terminated string containing the
35 regular expression to be compiled
36 \fIoptions\fP Zero or more option bits
37 \fIerrorcodeptr\fP Where to put an error code
38 \fIerrptr\fP Where to put an error message
39 \fIerroffset\fP Offset in pattern where error was found
40 \fItableptr\fP Pointer to character tables, or NULL to
41 use the built-in default
42 .sp
43 The option bits are:
44 .sp
45 PCRE_ANCHORED Force pattern anchoring
46 PCRE_AUTO_CALLOUT Compile automatic callouts
47 PCRE_BSR_ANYCRLF \eR matches only CR, LF, or CRLF
48 PCRE_BSR_UNICODE \eR matches all Unicode line endings
49 PCRE_CASELESS Do caseless matching
50 PCRE_DOLLAR_ENDONLY $ not to match newline at end
51 PCRE_DOTALL . matches anything including NL
52 PCRE_DUPNAMES Allow duplicate names for subpatterns
53 PCRE_EXTENDED Ignore white space and # comments
54 PCRE_EXTRA PCRE extra features
55 (not much use currently)
56 PCRE_FIRSTLINE Force matching to be before newline
57 PCRE_JAVASCRIPT_COMPAT JavaScript compatibility
58 PCRE_MULTILINE ^ and $ match newlines within data
59 PCRE_NEVER_UTF Lock out UTF, e.g. via (*UTF)
60 PCRE_NEWLINE_ANY Recognize any Unicode newline sequence
61 PCRE_NEWLINE_ANYCRLF Recognize CR, LF, and CRLF as newline
62 sequences
63 PCRE_NEWLINE_CR Set CR as the newline sequence
64 PCRE_NEWLINE_CRLF Set CRLF as the newline sequence
65 PCRE_NEWLINE_LF Set LF as the newline sequence
66 PCRE_NO_AUTO_CAPTURE Disable numbered capturing paren-
67 theses (named ones available)
68 PCRE_NO_AUTO_POSSESS Disable auto-possessification
69 PCRE_NO_START_OPTIMIZE Disable match-time start optimizations
70 PCRE_NO_UTF16_CHECK Do not check the pattern for UTF-16
71 validity (only relevant if
72 PCRE_UTF16 is set)
73 PCRE_NO_UTF32_CHECK Do not check the pattern for UTF-32
74 validity (only relevant if
75 PCRE_UTF32 is set)
76 PCRE_NO_UTF8_CHECK Do not check the pattern for UTF-8
77 validity (only relevant if
78 PCRE_UTF8 is set)
79 PCRE_UCP Use Unicode properties for \ed, \ew, etc.
80 PCRE_UNGREEDY Invert greediness of quantifiers
81 PCRE_UTF16 Run \fBpcre16_compile()\fP in UTF-16 mode
82 PCRE_UTF32 Run \fBpcre32_compile()\fP in UTF-32 mode
83 PCRE_UTF8 Run \fBpcre_compile()\fP in UTF-8 mode
84 .sp
85 PCRE must be built with UTF support in order to use PCRE_UTF8/16/32 and
86 PCRE_NO_UTF8/16/32_CHECK, and with UCP support if PCRE_UCP is used.
87 .P
88 The yield of the function is a pointer to a private data structure that
89 contains the compiled pattern, or NULL if an error was detected. Note that
90 compiling regular expressions with one version of PCRE for use with a different
91 version is not guaranteed to work and may cause crashes.
92 .P
93 There is a complete description of the PCRE native API in the
94 .\" HREF
95 \fBpcreapi\fP
96 .\"
97 page and a description of the POSIX API in the
98 .\" HREF
99 \fBpcreposix\fP
100 .\"
101 page.

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