# pcre2_set_compile_extra_options man page

Return to the PCRE2 index page.

This page is part of the PCRE2 HTML documentation. It was generated automatically from the original man page. If there is any nonsense in it, please consult the man page, in case the conversion went wrong.
SYNOPSIS

#include <pcre2.h>

int pcre2_set_compile_extra_options(pcre2_compile_context *ccontext, uint32_t extra_options);

DESCRIPTION

This function sets additional option bits for pcre2_compile() that are housed in a compile context. It completely replaces all the bits. The extra options are:

      PCRE2_EXTRA_ALLOW_LOOKAROUND_BSK     Allow \K in lookarounds
      PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES  Allow \x{d800} to \x{dfff} in UTF-8 and UTF-32 modes
      PCRE2_EXTRA_ALT_BSUX                 Extended alternate \u, \U, and \x handling
      PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL    Treat all invalid escapes as a literal following character
      PCRE2_EXTRA_ESCAPED_CR_IS_LF         Interpret \r as \n
      PCRE2_EXTRA_MATCH_LINE               Pattern matches whole lines
      PCRE2_EXTRA_MATCH_WORD               Pattern matches "words"

There is a complete description of the PCRE2 native API in the pcre2api page and a description of the POSIX API in the pcre2posix page.

Return to the PCRE2 index page.