PCRE_INFO_CAPTURECOUNT   97 core/ngx_regex.c     n = pcre_fullinfo(re, NULL, PCRE_INFO_CAPTURECOUNT, &rc->captures);
PCRE_INFO_CAPTURECOUNT  146 core/ngx_regex.c     rc = pcre_fullinfo(re, NULL, PCRE_INFO_CAPTURECOUNT, &n);