ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV 55 ext/mbstring/oniguruma/regparse.c ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV | ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV 2341 ext/mbstring/oniguruma/regparse.c if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV)) {