Regular Expressions a(?=[^a-z])

02/02/2020 22 min

Listen "Regular Expressions a(?=[^a-z])"

Episode Synopsis

A regular expression, regex or regexp is a sequence of characters that define a search pattern. Usually such patterns are used by string searching algorithms for "find" or "find and replace" operations on strings, or for input validation. It is a technique developed in theoretical computer science and formal language theory