ONIGENC_CASE_FOLD_DEFAULT 5525 ext/mbstring/oniguruma/regcomp.c r = onig_reg_init(reg, option, ONIGENC_CASE_FOLD_DEFAULT, enc, syntax); ONIGENC_CASE_FOLD_DEFAULT 5542 ext/mbstring/oniguruma/regcomp.c r = onig_reg_init(*reg, option, ONIGENC_CASE_FOLD_DEFAULT, enc, syntax); ONIGENC_CASE_FOLD_DEFAULT 132 ext/mbstring/oniguruma/reggnu.c ONIGENC_CASE_FOLD_DEFAULT, ONIGENC_CASE_FOLD_DEFAULT 133 ext/mbstring/oniguruma/testu.c ci.case_fold_flag = ONIGENC_CASE_FOLD_DEFAULT;