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Tag Archives: cpp-string

In C++, isupper() and islower() are predefined functions used for string and character handling. cstring.h is the header file required for string functions and cctype.h… Read More
Given a string, extract all integers words from it. Examples : Input : str = "geeksforgeeks 12 13 practice" Output : 12 13 Input :… Read More
std::basic_string::max_size is used to compute the maximum number of elements the string is able to hold due to system or library implementation limitations. size_type max_size()… Read More
The member function assign() is used for the assignments, it assigns a new value to the string, replacing its current contents. Syntax 1: Assign the value… Read More
The push_back() member function is provided to append characters. Appends character c to the end of the string, increasing its length by one. Syntax :… Read More
The data() function writes the characters of the string into an array. It returns a pointer to the array, obtained from conversion of string to… Read More
compare() is a public member function of string class. It compares the value of the string object (or a substring) to the sequence of characters… Read More
If strings are compared using relational operators then, their characters are compared lexicographically according to the current character traits, means it starts comparison character by… Read More
The C++ getline() is a standard library function that is used to read a string or a line from an input stream. It is a… Read More
strcpy() is a standard library function in C++ and is used to copy one string to another. In C++ it is present in the <string.h>… Read More
strcmp() is a built-in library function and is declared in <string.h> header file. This function takes two strings as arguments and compare these two strings… Read More
The task is to extract words from a given string. There may be one or more space between words. Examples:  Input : geeks for geeks… Read More
Prerequisite: Strings   Question What is the Output?  CPP #include <iostream> #include <cstring> using namespace std;   int main() {     char s1[] = "geeksforgeeksforgeeks";     char s2 =… Read More
The string is a sequence of characters or an array of characters. The declaration and definition of the string using an array of chars is similar… Read More
Given a string of digits, remove leading zeros from it. Examples: Input : 00000123569 Output : 123569 Input : 000012356090 Output : 12356090 Recommended: Please… Read More

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