sb_char 4230 ext/mbstring/oniguruma/regparse.c sb_char: sb_char 4376 ext/mbstring/oniguruma/regparse.c goto sb_char; /* [!--x] is allowed */ sb_char 4390 ext/mbstring/oniguruma/regparse.c goto sb_char; /* [0-9-a] is allowed as [0-9\-a] */