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pcre2_set_compile_extra_options(3) — Linux manual page

PCRE2_SE...A_OPTIONS(3)  Library Functions ManualPCRE2_SE...A_OPTIONS(3)

NAME        top

       PCRE2 - Perl-compatible regular expressions (revised API)

SYNOPSIS        top

#include <pcre2.h>int pcre2_set_compile_extra_options(pcre2_compile_context *ccontext,uint32_textra_options);

DESCRIPTION        top

       This function sets additional option bits forpcre2_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"         PCRE2_EXTRA_NEVER_CALLOUT            Disallow callouts in       pattern         PCRE2_EXTRA_NO_BS0                   Disallow \0 (but not \00 or       \000)         PCRE2_EXTRA_PYTHON_OCTAL             Use Python rules for octal         PCRE2_EXTRA_TURKISH_CASING           Use Turkish I case folding       There is a complete description of the PCRE2 native API in thepcre2apipage and a description of the POSIX API in thepcre2posix       page.

COLOPHON        top

       This page is part of thePCRE (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 2025-08-11.  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 isnot part of the original manual page),       send a mail to man-pages@man7.orgPCRE2 10.46-DEV              14 October 2024PCRE2_SE...A_OPTIONS(3)

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