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A character string is a series of characters represented by bits of code and organized into a single variable. This string variable holding characters can be set to a specific length or analyzed by a program to identify its length.
Techopedia Explains Character String
In many kinds of computer programs, character strings are marked by specific syntax, which often includes quotation marks, and are set up or dimensioned by various programming commands. These are then used to house different types of data that represent ASCII characters. In many cases, a single byte represents one character by storing a specific value corresponding to that character. Different coding conventions can use Unicode or UTF protocols or "octet" protocols identifying bytes as the units of operation.
A character string can play many roles in a computer program. For example, a programmer can create an unpopulated character string with a command in the load function of a program. A user event can input data into that character string. If the user types in a word or phrase such as "hello world," the program can then later read that character string and print it, display it on the screen, reserve it for storage, etc.
In modern programming, character strings are often involved in data capture and data storage functions that take in names or other types of information.
