OP_WORD_END      1501 regcomp.c          else                      r = add_opcode(reg, OP_WORD_END);
OP_WORD_END      6185 regcomp.c        { OP_WORD_END,            "word-end",        ARG_NON },
OP_WORD_END      2348 regexec.c          CASE(OP_WORD_END)  MOP_IN(OP_WORD_END);