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How to replace all the spaces in a string with an underscore (_) in C++

1 Answer

0 votes
#include <iostream>
#include <string>

using std::cout;
using std::endl;
using std::string;

string space2underscore(string s) {
	for (string::iterator it = s.begin(); it != s.end(); it++) {
		if (*it == ' ') {
			*it = '_';
		}
	}
	return s;
}

int main()
{
	string s = "c c++ php java";

	s = space2underscore(s);

	cout << s << endl;

	return 0;
}


/*
run:

c_c++_php_java

*/

 




answered Jun 8 by avibootz
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