Finding an alphanumeric character in a string using find_if and isalnum

Question

I\'m using g++ 4.7.

What I\'m trying to do is this,

find_if(s.begin(), s.end(), isalnum);

where isalnum

Answer 1

This should work

#include 
#include 

auto result = std::find_if(std::begin(s), std::end(s),  isalnum) ;