OP_OP_STRING      183 pcre/pcregrep.cpp   { OP_OP_STRING, N_COLOUR, &colour_option,    "color=option",  "matched text color option" },
OP_OP_STRING      186 pcre/pcregrep.cpp   { OP_OP_STRING, N_COLOUR, &colour_option,    "colour=option", "matched text colour option" },
OP_OP_STRING     1751 pcre/pcregrep.cpp       (op->type == OP_OP_STRING || op->type == OP_OP_NUMBER))