has_req_char     6368 ext/pcre/pcrelib/pcre_exec.c BOOL has_req_char = FALSE;
has_req_char     6722 ext/pcre/pcrelib/pcre_exec.c   has_req_char = TRUE;
has_req_char     6876 ext/pcre/pcrelib/pcre_exec.c     if (has_req_char && end_subject - start_match < REQ_BYTE_MAX)