“Usuń Whitespace w CPP” Kod odpowiedzi

c Usuń białe znak z ciągu

#include <algorithm>

int main()
{
    std::string str = "H e l l o";
    str.erase(remove(str.begin(), str.end(), ' '), str.end());
    std::cout << str; // Output Hello
    
    return 0;
}
Button

Usuń Whitespace w CPP

string removeWhiteSpaces(string line) {
	string s = "";
	int space = 0;
	while (true) {
		if (line[space] == ' ')
			space++;
		else break;
	}
	for (int x = space; x < line.length(); x++)
		s += line[x];

	space = s.length() - 1;
	while (true) {
		if (s[space] == ' ') {
			space--;
		}
		else 
			break;
	}
	for (int x = 0; x <= space; x++)
		s[x] = s[x];
	s[space + 1] = '\0';
	return s;
}

input  = "           String            "
ouput = "String"
Graceful Goose

Strip Whitespace c

#include <algorithm> 
#include <cctype>
#include <locale>

// trim from start (in place)
static inline void ltrim(std::string &s) {
    s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](unsigned char ch) {
        return !std::isspace(ch);
    }));
}

// trim from end (in place)
static inline void rtrim(std::string &s) {
    s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) {
        return !std::isspace(ch);
    }).base(), s.end());
}

// trim from both ends (in place)
static inline void trim(std::string &s) {
    ltrim(s);
    rtrim(s);
}

// trim from start (copying)
static inline std::string ltrim_copy(std::string s) {
    ltrim(s);
    return s;
}

// trim from end (copying)
static inline std::string rtrim_copy(std::string s) {
    rtrim(s);
    return s;
}

// trim from both ends (copying)
static inline std::string trim_copy(std::string s) {
    trim(s);
    return s;
}
Nervous Narwhal

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