A Brief Guide to Regular Expressions

Vassilios Karakoidas
7 min readJun 19, 2023

Regular expressions is a DSL (Domain-specific Language), which is used to match patterns of text. They are everywhere. All major programming languages have a built-in library that supports a flavor of regular expressions. The following article attempts to explore the origins of regular expressions and present their basic syntactic variations.

Origins of Regular Expressions

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Vassilios Karakoidas

Regional CTO @ Delivery Hero (Greece/Cyprus). Opinions are my own.