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.TH PCRE_COMPILE 3
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.SH NAME
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PCRE - Perl-compatible regular expressions
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.SH SYNOPSIS
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.rs
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.sp
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.B #include <pcre.h>
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.PP
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.SM
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.br
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.B pcre *pcre_compile(const char *\fIpattern\fP, int \fIoptions\fP,
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.ti +5n
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.B const char **\fIerrptr\fP, int *\fIerroffset\fP,
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.ti +5n
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.B const unsigned char *\fItableptr\fP);
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.
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.SH DESCRIPTION
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.rs
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.sp
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This function compiles a regular expression into an internal form. It is the
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same as \fBpcre_compile2()\fP, except for the absence of the \fIerrorcodeptr\fP
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argument. Its arguments are:
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.sp
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\fIpattern\fR A zero-terminated string containing the
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regular expression to be compiled
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\fIoptions\fR Zero or more option bits
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\fIerrptr\fR Where to put an error message
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\fIerroffset\fR Offset in pattern where error was found
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\fItableptr\fR Pointer to character tables, or NULL to
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use the built-in default
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.sp
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The option bits are:
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.sp
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PCRE_ANCHORED Force pattern anchoring
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PCRE_AUTO_CALLOUT Compile automatic callouts
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PCRE_CASELESS Do caseless matching
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PCRE_DOLLAR_ENDONLY $ not to match newline at end
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PCRE_DOTALL . matches anything including NL
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PCRE_DUPNAMES Allow duplicate names for subpatterns
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PCRE_EXTENDED Ignore whitespace and # comments
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PCRE_EXTRA PCRE extra features
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(not much use currently)
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PCRE_FIRSTLINE Force matching to be before newline
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PCRE_MULTILINE ^ and $ match newlines within data
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PCRE_NEWLINE_ANY Recognize any Unicode newline sequence
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PCRE_NEWLINE_CR Set CR as the newline sequence
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PCRE_NEWLINE_CRLF Set CRLF as the newline sequence
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PCRE_NEWLINE_LF Set LF as the newline sequence
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PCRE_NO_AUTO_CAPTURE Disable numbered capturing paren-
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theses (named ones available)
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PCRE_UNGREEDY Invert greediness of quantifiers
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PCRE_UTF8 Run in UTF-8 mode
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PCRE_NO_UTF8_CHECK Do not check the pattern for UTF-8
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validity (only relevant if
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PCRE_UTF8 is set)
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.sp
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PCRE must be built with UTF-8 support in order to use PCRE_UTF8 and
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PCRE_NO_UTF8_CHECK.
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.P
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The yield of the function is a pointer to a private data structure that
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contains the compiled pattern, or NULL if an error was detected.
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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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.\" HREF
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\fBpcreapi\fR
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.\"
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page and a description of the POSIX API in the
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.\" HREF
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\fBpcreposix\fR
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.\"
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page.
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