ONIG_SYN_OP_DECIMAL_BACKREF  121 ext/mbstring/oniguruma/onigcmpt200.h        ONIG_SYN_OP_DECIMAL_BACKREF
ONIG_SYN_OP_DECIMAL_BACKREF  639 ext/mbstring/oniguruma/regint.h    ONIG_SYN_OP_DECIMAL_BACKREF | \
ONIG_SYN_OP_DECIMAL_BACKREF  646 ext/mbstring/oniguruma/regint.h     ONIG_SYN_OP_POSIX_BRACKET | ONIG_SYN_OP_DECIMAL_BACKREF | \
ONIG_SYN_OP_DECIMAL_BACKREF 3404 ext/mbstring/oniguruma/regparse.c       if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_DECIMAL_BACKREF) && 
ONIG_SYN_OP_DECIMAL_BACKREF   91 ext/mbstring/oniguruma/regsyntax.c     ONIG_SYN_OP_QMARK_ZERO_ONE | ONIG_SYN_OP_DECIMAL_BACKREF |
ONIG_SYN_OP_DECIMAL_BACKREF  114 ext/mbstring/oniguruma/regsyntax.c     ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | ONIG_SYN_OP_DECIMAL_BACKREF )