PCRE2 - Perl-compatible regular expressions (revised API) .rs #include <pcre2.h>

 int pcre2_set_newline(pcre2_compile_context *ccontext,  " uint32_t value);" 

. .rs This function sets the newline convention within a compile context. This specifies which character(s) are recognized as newlines when compiling and matching patterns. The second argument must be one of: PCRE2_NEWLINE_CR Carriage return only PCRE2_NEWLINE_LF Linefeed only PCRE2_NEWLINE_CRLF CR followed by LF only PCRE2_NEWLINE_ANYCRLF Any of the above PCRE2_NEWLINE_ANY Any Unicode newline sequence PCRE2_NEWLINE_NUL The NUL character (binary zero) The result is zero for success or PCRE2_ERROR_BADDATA if the second argument is invalid.

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