Hello! RegEx
Explore the fundamentals of regular expressions, their history, and common uses such as searching, replacing, and validating text. Understand standard regex types like BRE and ERE, and gain the foundational knowledge needed to apply regex in Bash shell and data processing tasks.
We'll cover the following...
We'll cover the following...
A regular expression (regex) is a way to describe a particular pattern of characters that a regular expression engine would attempt to match in a given input text.
Mathematician Stephen Cole Kleene invented (1956) regular languages using his mathematical notation called ‘regular sets’ which then entered into popular use from 1968 in two use cases: pattern matching in a text editor and lexical analysis in a compiler. Among the first ...