SYN_POSIX_COMMON_OP 49 ext/mbstring/oniguruma/regsyntax.c ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_ESC_LPAREN_SUBEXP | SYN_POSIX_COMMON_OP 66 ext/mbstring/oniguruma/regsyntax.c ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_LPAREN_SUBEXP |