Comparison of programming languages (string functions)

String functions are used to manipulate a string or change or edit the contents of a string. They also are used to query information about a string. They are usually used within the context of a computer programming language.

The most basic example of a string function is the length(string) function. This function returns the length of a string (not counting the null terminator or any other of the string's internal structural infomation) and does not change the string.

eg. length("hello world") would return 11.

There are many string functions many of which exists in other languages with similar or exactly the same syntax or parameters. For example in many languages the length function is usually represented as len(string). Even though string functions are very useful to a computer programmer, a computer programmer using these functions should be mindful that a string function in one language could behave differently or have a similar or completely different function name, parameters, syntax and outcomes.