PCRE2_SET_COMPILE_EXTRA_OPTIONS - Online Linux Manual PageSection : 3
Updated : 31 August 2021
Source : PCRE2 10.38

NAMEPCRE2 - Perl-compatible regular expressions (revised API)

SYNOPSIS\.sp #include <pcre2.h> int pcre2_set_compile_extra_options(pcre2_compile_context *ccontext, uint32_t extra_options);"

DESCRIPTION\.sp 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.
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