In computer science, string generation is the process of creating a set of strings from a collection of rules. This is an opposite process to that of parsing, which recognises a string based on some collection of rules.
Applications of string generation include test data generation, Captchas and random essay generation.
Methods for generating strings include:
Unsolved problems in string generation include:
Note; It is an undecidable problem to decide whether a given string can be generated by a given W-grammar.