Useful tools for finding matching patterns in a string

What’s Regex?

Regex, short for Regular Expressions are useful tools to find matching patterns in a string.

They can be used to validate text from user input, check formatting of the string (like an email or a 12-digit phone number) and allows the search for a certain pattern of words or numbers in a string.

Most programming languages like JavaScript use regex. It can be, however, quite difficult to learn all its complicated syntax and rules to follow. But once you get started with the basics, I have a simple and fun way for you to master regex like a pro.

Let’s go to the basics: The Rules

Here are some basic regex rules and syntax to know.

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