extracting a leading floating point number out of a string

Hello,

is there s simple way to get the leading floating point number out of a
string with trailing characters like "123.32cm"?
Many thanks

Cornelius

news.uni-bamberg.de wrote:
> Hello,
>
> is there s simple way to get the leading floating point number out of a
> string with trailing characters like "123.32cm"?
> Many thanks
>
> Cornelius
>
>

The following might not solve your problem in general, but how about startin
g from:


| ?- append(F,[0'.|_],"123.32cm"), name(I,F).
F = [49,50,51],
I = 123 ?


Cheers

Bart Demoen