C++ String find_last_not_of()30 Aug 2024 | 1 min read This function is used to search the string for the last character that does not match with any of the character specified in the string. SyntaxConsider two strings str1 and str2. Its syntax would be : Parametersstr : str is the string to be used in searching. pos : It defines the position at which to start the search. n : Number of characters identifying characters to be searched for. ch : It defines the character which is to be searched. Return valueThis function returns the position of the l ast character that does not match. Examples 1Let's see the simple example. Output: String contains : C is a procedure oriented language 24 Next TopicC++ Strings |
C++ String push_back() This function is used to add new character ch at the end of the string, increasing its length by one. Syntax Consider a string s1 and character ch . Syntax would be : s1.push_back(ch); Parameters ch : New character which is to be added. Return value It does not return any...
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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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C++ String at() This function is used for accessing individual characters. Syntax Consider a string str. To find the position of a particular character, its syntax would be str.at(pos); Parameters pos : It defines the position of the character within the string. Return value It returns the character specified at that position. Example 1 #include<iostream> using namespace...
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C++ String replace() This function replaces the portion of string that begins at character position pos and spans len characters. Syntax Consider two strings str1 and str2. Syntax would be: str1.replace(pos,len,str2); Parameters str : str is a string object, whose value to be copied in another string object. pos : pos defines the...
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C++ String Find() This function is used for finding a specified substring. Syntax Consider two strings str1 and str2. Syntax would be : str1.find(str2); Parameters str : String to be searched for. pos : It defines the position of the character at which to start the search. n : Number of characters in a...
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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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C++ String insert() This function is used to insert a new character, before the character indicated by the position pos. Syntax Consider two strings str1 and str2, pos is the positon. Syntax would be : str1.insert(pos,str2); Parameters str : String object to be inserted in another string object. pos : It defines the...
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C++ String cend() This function gives a reference to the last character of the string. Difference b/w end() and cend() The only difference between end() and cend() function is, cend() returns the constant iterator pointing to the constant value. Syntax Consider a string str. Syntax would be: str.cend(); Parameter This function does not contain...
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C++ String erase() This function removes the characters as specified, reducing its length by one. Syntax Consider a string str. Syntax would be: str.erase(pos,len); str.erase(itr); str.erase(first,last); Parameter pos :It defines the position of the character which is to be removed. len :It defines the number of characters to be erased. Itr : It is an iterator...
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C++ String end() This function is used to return an iterator pointing to the last character of the string. Syntax Consider a string 'str' and an iterator 'it'. Syntax would be: iterator it = str.end(); Parameter This function does not contain any parameter. Return value It returns an iterator pointing to the end of...
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