Friday, January 17, 2020

How to know if a converted string to float is really a float number ?

HI,

According to str2float help, I have tried this :

'3,3e+004'->substitute(',', '.', 'g')->str2float() which return 33000 number.

According to good conversion in this case it is a float num but if I replace by cases where it is not a well form of num that no have to be converted. 


'3,3e+00.4'->substitute(',', '.', 'g')->str2float() which return ????  there is a dot char in exp...
'3,3e+0O4'->substitute(',', '.', 'g')->str2float() which return ????  there is char 'O' out of zero


How to prevent unnecessary conversion ?

Thank you

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