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C++ Tutorial

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C++ string Library


C++ string Functions

The <string> library has many functions that allow you to perform tasks on strings.

A list of popular string functions can be found in the table below.

Function Description
at() Returns an indexed character from a string
length() Returns the length of a string
size() Alias of length(). Returns the length of a string
max_size() Returns the maximum length of a string
empty() Checks wheter a string is empty or not
append() Appends a string (or a part of a string) to another string
substr() Returns a part of a string from a start index (position) and length
find() Returns the index (position) of the first occurrence of a string or character
rfind() Returns the index (position) of the last occurrence of a string or character
replace() Replaces a part of a string with another string
insert() Inserts a string at a specified index (position)
erase() Removes characters from a string
compare() Compares two strings

Learn more about strings in our C++ Strings Tutorial.



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