首页C++查询字符数组包含

C++查询字符数组包含

时间: 2024-09-27 17:17:39 浏览: 124

在C++中，如果你有一个字符数组，想要检查它是否包含特定的字符或者某个字符串，你可以使用循环遍历数组并逐个比较元素。这里是一个简单的示例： ```cpp #include <iostream> #include <string> bool containsCharacter(char arr[], const char target, size_t length) { for (size_t i = 0; i < length; ++i) { if (arr[i] == target) { return true; } } return false; } bool containsSubstring(char arr[], const std::string& subStr, size_t subStrLength) { for (size_t i = 0; i <= std::strlen(arr) - subStrLength; ++i) { if (std::equal(subStr.begin(), subStr.end(), arr + i)) { return true; } } return false; } int main() { char array[] = "Hello, World!"; char targetChar = 'W'; std::string substring = "World"; bool foundChar = containsCharacter(array, targetChar, sizeof(array) / sizeof(array[0])); bool foundSubstr = containsSubstring(array, substring, sizeof(array) / sizeof(array[0])); if (foundChar) { std::cout << "Array contains the character " << targetChar << std::endl; } else { std::cout << "Array does not contain the character " << targetChar << std::endl; } if (foundSubstr) { std::cout << "Array contains the substring " << substring << std::endl; } else { stdcout << "Array does not contain the substring " << substring << std::endl; } return 0; } ``` 在这个例子中，`containsCharacter`函数检查字符数组中是否存在给定的目标字符，而`containsSubstring`函数则检查数组是否包含给定的子串。注意，这两个函数都假设输入的数组以空字符'\0'结尾。

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