C++ String operator[]()

string empty() function

C++ String empty() This function checks whether the string is empty or not. Function returns a Boolean value either true or false. Syntax Consider a string str. Syntax would be: str.empty(); Parameter This function does not contain any parameter. Return value It returns a Boolean value either 0 or 1 depending upon the conditions....

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string crend() function

C++ String crend() The crend() function stands for reverse end. It points to the first character of string and returns constant reverse iterator. Syntax Consider a string s. Syntax would be: const_reverse_iterator itr=s.crendO; Parameter It does not contain any parameter. Return value It returns a constant reverse iterator to the reverse end of...

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string cbegin() function

C++ String cbegin() It gives a reference to the first element of the string. Difference b/w cbegin() and begin() The only difference between cbegin() and begin() is cbegin() returns the constant iterator pointing to the constant value. Syntax Consider a string str. Its syntax would be: str.cbegin(); Parameter This function does not contain...

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string data() function

C++ String Data() This function copies the characters of the string into an array. It returns the pointer to an array obtained from the conversion of string into array. Syntax Consider a string str and pointer p. Syntax would be: const char* p=str.data(); Parameter This function does not contain any parameter. Return value It...

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string back() function

C++ String back() Function In C++, the is a member function of the string class in the STL. It is commonly utilized to access the last character of a string. It is utilized on non-empty strings and returns a direct reference to the last character...

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string find_first_of() function

C++ String find_first_of() Function In the C++ programming language, the is a simple and effective string-searching function. It is commonly utilized to locate the first occurrence of any character from a given set of characters within a string. It scans or checks the string from...

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string c_str() function

C++ String c_str() Function In the C++ programming language, the c_str() function is commonly utilized to convert a std::string into a C-style string (a null-terminated character array). It is useful when we work with legacy C libraries, system calls, or functions that require const char* instead...

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string rend() function

C++ String rend() Function In the C++ programming language, the is a member function of the string class that is a part of the STL. The rend() function mainly stands for the reverse end. It is commonly utilized to return a reverse iterator that points...

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string crbegin() function

C++ String crbegin() The crbegin() function stands for 'reverse beginning'. This function references to the last character of the string. Syntax Consider a string str. Syntax would be: str.crbegin(); Parameter This function does not contain any parameter. Return value This function returns the constant iterator pointing to the last character of the string. Example 1 Let's...

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string append() function

C++ String append() This function is used to extend the string by appending at the end of the current value. Syntax Consider string str1 and str2. Syntax would be : Str1.append(str2); Str1.append(str2,pos,len); Str1.append(str2,n); Parameters str : String object which is to be appended in another string object. pos : It determines the position of the...

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