reg_flags        1102 lib/common/strings.c         int reg_flags = REG_EXTENDED | REG_NOSUB;
reg_flags        1112 lib/common/strings.c             reg_flags |= REG_ICASE;
reg_flags        1114 lib/common/strings.c         regcomp_rc = regcomp(r_patt, s2, reg_flags);