Strings, I/O Formatting and Parsing
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String functions are used in computer programming languages to manipulate a string or query information about a string (some do both).
Most programming languages that have a string datatype will have some string functions although there may be other low-level
ways within each language to handle strings directly. In object-oriented
languages, string functions are often implemented as properties and
methods of string objects. In functional and list-based languages a
string is represented as a list (of character codes), therefore all
list-manipulat