OP_WORD_BOUND    1488 regcomp.c          else                      r = add_opcode(reg, OP_WORD_BOUND);
OP_WORD_BOUND    6182 regcomp.c        { OP_WORD_BOUND,          "word-bound",      ARG_NON },
OP_WORD_BOUND    2257 regexec.c          CASE(OP_WORD_BOUND)  MOP_IN(OP_WORD_BOUND);