How to get an integer from a string?

[Bubbletea]

Hi, If I have a string input such as "A1", How do I split the string so I can have a string variable that contains "A" and a integer variable that contains "1"?

Any help is appreciated, thank you.

[R0mai]

http://cplusplus.com/reference/string/string/substr/
http://cplusplus.com/forum/general/13135/ (here I recomend either Bazzy's or jsimth's solution)