FUNCTION myfunction1(tcString) * Returns .T. if there're only digits and spaces in tcString and .F. otherwise RETURN EMPTY(CHRTRAN(tcString, "0123456789", "")) FUNCTION myfunction2(tcString) * Returns .T. if there're only digits in tcString and .F. otherwise RETURN LEN(CHRTRAN(tcString, "0123456789", "")) = 0>A friend of mine asked me a question