Hello,

I have a string input from the user, and want to parse it to a number, and 
would like 
to know how to do it.  I would like to be able to accept arithmetic operations, 
like:

'5+5'
'(4+3)*2'
'5e3/10**3'

I thought of using eval, which will work, but could lead to bad security 
problems 
(not that it's a big  deal in my app, but still...)

string.atof won't do the job.  Is there a preferred way of doing this?


                thanks,


                        Brian Blais


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