regular expression

== English == === Pronunciation === === Noun === regular expression (plural regular expressions) (computing theory) A concise description of a regular formal language with notations for concatenation, alternation, and iteration (repetition) of subexpressions. (computing, more generally) Any pattern for text matching or searching, frequently offering more or less functionality than a theoretical regular expression. ==== Synonyms ==== regex regexp ==== Derived terms ==== ==== Translations ====