pcre_compile2 man page on FreeBSD

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PCRE_COMPILE2(3)					      PCRE_COMPILE2(3)

NAME
       PCRE - Perl-compatible regular expressions

SYNOPSIS

       #include <pcre.h>

       pcre *pcre_compile2(const char *pattern, int options,
	    int *errorcodeptr,
	    const char **errptr, int *erroffset,
	    const unsigned char *tableptr);

DESCRIPTION

       This  function  compiles a regular expression into an internal form. It
       is the same as pcre_compile(), except for the addition  of  the	error‐
       codeptr argument. The arguments are:

	 pattern       A zero-terminated string containing the
			 regular expression to be compiled
	 options       Zero or more option bits
	 errorcodeptr  Where to put an error code
	 errptr	       Where to put an error message
	 erroffset     Offset in pattern where error was found
	 tableptr      Pointer to character tables, or NULL to
			 use the built-in default

       The option bits are:

	 PCRE_ANCHORED		 Force pattern anchoring
	 PCRE_AUTO_CALLOUT	 Compile automatic callouts
	 PCRE_BSR_ANYCRLF	 \R matches only CR, LF, or CRLF
	 PCRE_BSR_UNICODE	 \R matches all Unicode line endings
	 PCRE_CASELESS		 Do caseless matching
	 PCRE_DOLLAR_ENDONLY	 $ not to match newline at end
	 PCRE_DOTALL		 . matches anything including NL
	 PCRE_DUPNAMES		 Allow duplicate names for subpatterns
	 PCRE_EXTENDED		 Ignore whitespace and # comments
	 PCRE_EXTRA		 PCRE extra features
				   (not much use currently)
	 PCRE_FIRSTLINE		 Force matching to be before newline
	 PCRE_JAVASCRIPT_COMPAT	 JavaScript compatibility
	 PCRE_MULTILINE		 ^ and $ match newlines within data
	 PCRE_NEWLINE_ANY	 Recognize any Unicode newline sequence
	 PCRE_NEWLINE_ANYCRLF	 Recognize CR, LF, and CRLF as newline
				   sequences
	 PCRE_NEWLINE_CR	 Set CR as the newline sequence
	 PCRE_NEWLINE_CRLF	 Set CRLF as the newline sequence
	 PCRE_NEWLINE_LF	 Set LF as the newline sequence
	 PCRE_NO_AUTO_CAPTURE	 Disable numbered capturing paren-
				   theses (named ones available)
	 PCRE_NO_UTF8_CHECK	 Do not check the pattern for UTF-8
				   validity (only relevant if
				   PCRE_UTF8 is set)
	 PCRE_UCP		 Use Unicode properties for \d, \w, etc.
	 PCRE_UNGREEDY		 Invert greediness of quantifiers
	 PCRE_UTF8		 Run in UTF-8 mode

       PCRE  must  be  built  with UTF-8 support in order to use PCRE_UTF8 and
       PCRE_NO_UTF8_CHECK, and with UCP support if PCRE_UCP is used.

       The yield of the function is a pointer to a private data structure that
       contains	 the  compiled pattern, or NULL if an error was detected. Note
       that compiling regular expressions with one version  of	PCRE  for  use
       with  a	different  version  is	not  guaranteed	 to work and may cause
       crashes.

       There is a complete description of the PCRE native API in  the  pcreapi
       page and a description of the POSIX API in the pcreposix page.

							      PCRE_COMPILE2(3)
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