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X11R7.4 - man page for pcre_compile2 (x11r4 section 3)

PCRE_COMPILE2(3)		     Library Functions Manual			 PCRE_COMPILE2(3)

       PCRE - Perl-compatible regular expressions


       #include <pcre.h>

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


       This  function  compiles  a  regular  expression  into an internal form. It is the same as
       pcre_compile(), except for the addition of the errorcodeptr 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_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_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_UNGREEDY	       Invert greediness of quantifiers
	 PCRE_UTF8	       Run in UTF-8 mode
	 PCRE_NO_UTF8_CHECK    Do not check the pattern for UTF-8
				 validity (only relevant if
				 PCRE_UTF8 is set)

       PCRE must be built with UTF-8 support in order to use PCRE_UTF8 and PCRE_NO_UTF8_CHECK.

       The yield of the function is a pointer to a private data structure that contains the  com-
       piled  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 descrip-
       tion of the POSIX API in the pcreposix page.


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