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PCRE2_SE...A_OPTIONS(3) Library Functions Manual PCRE2_SE...A_OPTIONS(3)
PCRE2 - Perl-compatible regular expressions (revised API)
#include <pcre2.h> int pcre2_set_compile_extra_options(pcre2_compile_context *ccontext, uint32_t extra_options);
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.
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
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⟨http://bugs.exim.org/enter_bug.cgi?product=PCRE⟩. This page was
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PCRE2 10.43 03 February 2023 PCRE2_SE...A_OPTIONS(3)