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SQL Essentials: Regular Expressions Explained
Overview
Regular Expressions, often abbreviated as Regex, is a powerful tool in Saved Search Formulas that allows you to search and manipulate text using pattern matching. It provides a flexible way to find, replace, or extract specific text patterns within your data. In simple terms, it's like a search-and-replace function on steroids, enabling you to perform complex text operations with just a few lines of code.
Regex uses a specific syntax to define patterns, which can include literal characters (e.g., 'a', 'b', '1', '2') and special characters, known as metacharacters, which have special meanings and functions. These patterns can be as simple as matching exact text or incredibly complex, capturing intricate patterns and variations in your data.