>>
>>So, what would you suggest me to do? I didn't want to use vartype, because it may throw an error, if the expression is incorrect...
>>
>>Thanks in advance.
>
>

>m.VarToCheck = trimzero('00034')
>TYPE('m.VarToCheck')
>

>
>
>Yes I know, It isn't the great and innovate idea you are looking for... but it works.
>
>Regards,
>José Luis.

I have a filed content, so my VarToCheck would be "trimzero(StNumExt)" (e.g. in quotes).

E.g.

theFld=thisform.edtReplaceFld.value && "trimzero(StNumExt)"
theType=type(m.theFld)

&& Returns U

I dont' think, I can use & or evaluate function here...