REG_BADRPT       2273 lib/regcomp.c  	  *err = REG_BADRPT;
REG_BADRPT       2282 lib/regcomp.c  	  *err = REG_BADRPT;
REG_BADRPT       2425 lib/regcomp.c  	  *err = REG_BADRPT;
REG_BADRPT        840 src/regex-emacs.c    [REG_BADRPT] = "Invalid preceding regular expression",