REG_BADPAT       3094 compat/regex/regcomp.c       *err = REG_BADPAT;
REG_BADPAT       3109 compat/regex/regcomp.c 	  *err = REG_BADPAT;
REG_BADPAT        231 compat/regex/regexec.c     return REG_BADPAT;