pcre2_set_compile_extra_options(3) — Linux manual page
PCRE2_SE...A_OPTIONS(3) Library Functions Manual PCRE2_SE...A_OPTIONS(3)
NAME
PCRE2 - Perl-compatible regular expressions (revised API)
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_ASCII_BSD \d remains ASCII in UCP
mode
PCRE2_EXTRA_ASCII_BSS \s remains ASCII in UCP
mode
PCRE2_EXTRA_ASCII_BSW \w remains ASCII in UCP
mode
PCRE2_EXTRA_ASCII_DIGIT [:digit:] and [:xdigit:]
POSIX classes
remain ASCII in UCP mode
PCRE2_EXTRA_ASCII_POSIX POSIX classes remain ASCII
in
UCP mode
PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL Treat all invalid escapes
as
a literal following
character
PCRE2_EXTRA_CASELESS_RESTRICT Disable mixed ASCII/non-
ASCII
case folding
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.
COLOPHON
This page is part of the PCRE (Perl Compatible Regular
Expressions) project. Information about the project can be found
at ⟨http://www.pcre.org/⟩. If you have a bug report for this
manual page, see
⟨http://bugs.exim.org/enter_bug.cgi?product=PCRE⟩. This page was
obtained from the tarball fetched from
⟨https://github.com/PhilipHazel/pcre2.git⟩ on 2024-06-14. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original
manual page), send a mail to man-pages@man7.org