Convert string to float in c++

Question

Hello! For example, i've got a string with text like "4*2" and how can i get a result of 4*2?
p.s. sorry for my bad english :)

Answer 1

Use std::stof from <string> library ¹

[To see the example follow the footer link]

"sorry for my bad english :)"

Your English is awesome, IMO! 8)

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¹ http://www.cplusplus.com/reference/string/stof/

Answer 2

oh, thanks a lot!)