lcDigits = "0123456789"
? LEN(CHRTRAN(lcValue, lcDigits, "")) = 0

>I use ISDIGIT(abc) to check if the variable is numeric
>
>

>abc='12345'
>?isdigit(abc)
>

>
>but it doen't work well, because ISDIGIT only check for the first character only
>
>

>abc='1A345'
>?isdigit(abc)
>

>
>will also .T.
>
>is there anyway to make sure the whole characters is numeric?