Hi,
In a program I need to check whether a string can be converted ( by another program) to a double, before writing the string to a file. So it should only contain digits and only one period.
May be I overlook something , but I do not succeed in finding a simple way.
Any suggestion?
Harry
In a program I need to check whether a string can be converted ( by another program) to a double, before writing the string to a file. So it should only contain digits and only one period.
May be I overlook something , but I do not succeed in finding a simple way.
Any suggestion?
Harry