Question

How to remove non alphabetic characters from string in C++

Answer 1

#include <iostream>
#include <string>

int main()
{
	std::string s = "cpp c#$, csharp!@!?< java &***()python ())%$php";
	
	int j;

	for (int i = 0; s[i]; i++)
	{
		while (!((s[i] >= 'a' && s[i] <= 'z') || (s[i] >= 'A' && s[i] <= 'Z') || s[i] == '\0'))
		{
			for (j = i; s[j]; j++)
				s[j] = s[j + 1];
			s[j] = '\0';
		}
	}
	std::cout << s << std::endl;

	return 0;
}



/*
run:

cppccsharpjavapythonphp

*/

 

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